You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-chloro-5-[[2-(pyrazol-1-ylmethyl)phenyl]carbamoyl]phenyl]thiophene-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H17ClN4O2S
assistant