You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methoxy-5-[[2-pyrrolidin-1-yl-5-(trifluoromethyl)phenyl]carbamoyl]benzenesulfonic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H19F3N2O5S
assistant