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-5-[[1-[[1-[[1-carboxy-4-(diaminomethylideneamino)butyl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-5-oxopentanoic acid .
user
C28H43N11O7
assistant