You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-[1-[(2S)-2-[[3-(6-amino-2,3,4,5-tetrahydropyridin-3-yl)phenyl]sulfonylamino]-3-(3-carbamimidoylphenyl)propanoyl]piperidin-4-yl]-N-methylbutanamide by IUPAC nomenclature, provide its molecular formula.
user
C31H43N7O4S
assistant