You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 8-[[5-[(1S,5S,6S)-3-amino-1-(fluoromethyl)-5-methyl-2-thia-4-azabicyclo[4.1.0]hept-3-en-5-yl]-6-fluoropyridin-3-yl]amino]-1,7-naphthyridine-3-carbonitrile into molecular formula.
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C21H17F2N7S
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