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 4-amino-2-[[2-[[2-(2,6-diaminohexanoylamino)-4-methylpentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-4-oxobutanoic acid .
user
C22H43N9O6
assistant