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-[[2-[[2-[(2-amino-3-hydroxypropanoyl)amino]-4-methylsulfanylbutanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]acetic acid .
user
C16H26N6O6S
assistant