You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule ethyl 5-methyl-3-[2-[(1S,3S)-3-methylcyclohexyl]oxy-2-oxoethyl]-4-oxothieno[2,3-d]pyrimidine-6-carboxylate ?
user
C19H24N2O5S
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