You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 1-[2-[[2-[[2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-4-carboxybutanoyl]amino]-3-sulfanylpropanoyl]pyrrolidine-2-carboxylic acid ?
user
C19H33N7O7S
assistant