You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1R,2R)-2-(methoxymethoxymethyl)-1-[5-[2-(oxan-2-yloxy)ethyl]thiophen-2-yl]cyclohexan-1-amine into its molecular formula.
user
C20H33NO4S
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