Photon unity trying to control two different player cameras over the network

hello i'm trying to control my other players camera over the network as when I join the server with the server and the first player controls both cameras here is my script. as you can see the lines of code I have atm aren't working anymore I have tired .getcomponent but that doesn't work either anyone that can help me would be so greatful.

 using UnityEngine;
 using System.Collections;
 
 public class NetworkManager : MonoBehaviour {
     
     public Transform spawnPos;
     private const string version = "v0.1";
     public string SurvialRoom1 = "SR";
     public GameObject player;
     public GameObject mainCamera;
     bool connecting = false;
     
     void Start () {
         PhotonNetwork.ConnectUsingSettings(SurvialRoom1);
         
     }
     
     void OnGUI () {
         GUILayout.Label(PhotonNetwork.connectionStateDetailed.ToString());
     }
     
     void OnJoinedLobby() {
         RoomOptions roomOptions = new RoomOptions () { isVisible = false, maxPlayers = 4 };
         PhotonNetwork.JoinOrCreateRoom(SurvialRoom1, roomOptions, TypedLobby.Default);
     }
     
     void OnJoinedRoom() {
         Debug.Log ("Connected to Room");
         SpawnMyPlayer();
         connecting = false;
     }
     
     void SpawnMyPlayer() {
         GameObject player = (GameObject)PhotonNetwork.Instantiate("player", spawnPos.transform.position, spawnPos.transform.rotation, 0);
 
         ((MonoBehaviour)player.GetComponent("Main Camera")).enabled = true;
         ((MonoBehaviour)player.GetComponent("First Person Controller")).enabled = true;
     }
 }