You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(1R,2S,5S)-2-ethenyl-2-methyl-5-propan-2-yl-5-trimethylsilyloxycyclohexyl]prop-2-enal is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H32O2Si
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