You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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(2S)-1-[[5-(4-carbamimidoyl-2-fluorophenoxy)carbonylthiophen-2-yl]methyl]pyrrolidine-2-carboxylic acid;fluoromethane;2,2,2-trifluoroacetic acid is the IUPAC name of a molecule. Please give its molecular formula.
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C21H22F5N3O6S
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