View Compilation Error

0_0_32070161_15671.cpp: In function 'std::string change(std::string)':
0_0_32070161_15671.cpp:23:13: error: expected primary-expression before '}' token
             } else if(op[str[i]] > op[s.top()])
             ^
0_0_32070161_15671.cpp:23:13: error: expected ')' before '}' token