You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3aS,7R,7aS)-7-methoxy-4-[(3-methylthiophen-2-yl)methyl]-3,3a,5,6,7,7a-hexahydro-2H-furo[3,2-b]pyridine;2,2,2-trifluoroacetic acid into its molecular formula.
user
C16H22F3NO4S
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