You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[3-(2-aminoethylamino)propyl]-2-[(4-carbamimidoylanilino)methyl]-1-methyl-N-pyridin-2-ylbenzimidazole-5-carboxamide .
user
C27H33N9O
assistant