You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,2S)-2-[(1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexyl]oxycarbonylcyclohexane-1-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H30O4
assistant