You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-methyl-1-[1-methyl-4-(3-propylpyrrolidin-1-yl)sulfonylpyrrol-2-yl]methanamine is given. What is its corresponding molecular formula?
user
C14H25N3O2S
assistant