You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2-methoxyphenyl)methyl]-3-(5-pyrrolidin-1-ylsulfonylbenzotriazol-1-yl)propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H25N5O4S
assistant