You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-acetamido-N-[(3S,9S,12S,15R,18S)-9,15-bis[3-(diaminomethylideneamino)propyl]-12-(1H-indol-3-ylmethyl)-2,8,11,14,17-pentaoxo-1,7,10,13,16-pentazabicyclo[16.3.0]henicosan-3-yl]-3-phenylpropanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C44H62N14O7
assistant