You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (2R)-2-(3-methoxy-N-methylsulfonylanilino)-N-[[4-(pyrrolidin-1-ylmethyl)phenyl]methyl]butanamide is given. What is its corresponding molecular formula?
user
C24H33N3O4S
assistant