You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule benzyl-[5-[[3-[[2-[[5-[[3-[3-(dimethylamino)propylamino]-3-oxopropyl]-methylcarbamoyl]-1-methylpyrrol-3-yl]carbamoyl]-1-methylimidazol-4-yl]amino]-3-oxopropyl]amino]-5-oxopentyl]-diphenylphosphanium ?
user
C47H61N9O5P+
assistant