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 (2S)-2-[[(2R)-1-[(2S)-1-[(2R)-2-amino-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid .
user
C22H40N10O5
assistant