View Compilation Error

0_0_34317984_2274.cpp: In function 'int main()':
0_0_34317984_2274.cpp:14:14: error: no match for 'operator||' (operand types are 'bool' and 'std::string {aka std::basic_string<char>}')
    if(t=="“"||t="”")
              ^
0_0_34317984_2274.cpp:14:14: note: candidate is:
0_0_34317984_2274.cpp:14:14: note: operator||(bool, bool) <built-in>
0_0_34317984_2274.cpp:14:14: note:   no known conversion for argument 2 from 'std::string {aka std::basic_string<char>}' to 'bool'