You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-amino-5-[[4-amino-1-[[6-amino-1-[(1-carboxy-2-sulfanylethyl)amino]-1-oxohexan-2-yl]amino]-1,4-dioxobutan-2-yl]amino]-5-oxopentanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H32N6O8S
assistant