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 18-[[(9S)-10-amino-9-(hydroxymethyl)-6-methyl-7,10-dioxodec-4-enyl]amino]-18-oxooctadecanoic acid .
user
C30H54N2O6
assistant