You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[[1-[2-(2,6-diaminohexanoylamino)-4-methylsulfanylbutanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid .
user
C22H42N8O5S
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