View Compilation Error

0_0_38686903_8789.cpp: In function 'int main()':
0_0_38686903_8789.cpp:21:60: error: expected ';' before ')' token
   21 |                 cout<<(quickM(2,n-1,998244353)-1)%998244353)+998244353)%998244353<<"\n";
      |                                                            ^
      |                                                            ;