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 1-cyclohexyl-4-[[5-methyl-2-(5-methylthiophen-2-yl)-1,3-oxazol-4-yl]methyl]piperazin-2-one .
user
C20H27N3O2S
assistant