You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[[2-[[2-[(2,5-diamino-5-oxopentanoyl)amino]-3-sulfanylpropanoyl]amino]-4-methylsulfanylbutanoyl]amino]butanedioic acid by IUPAC nomenclature, provide its molecular formula.
user
C17H29N5O8S2
assistant