You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[5-[[3-[3-(4-aminobutylamino)propylamino]-3-oxopropyl]carbamoyl]-1-methylpyrrol-3-yl]-4-[[2-(diaminomethylideneamino)acetyl]amino]-1-methylpyrrole-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H41N11O4
assistant