You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S)-2-amino-3-hydroxy-2-methyl-N-[4-(4-thiophen-2-ylbutoxy)phenyl]propanamide;2,2,2-trifluoroacetic acid into molecular formula.
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C20H25F3N2O5S
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