You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (6S)-7-[[2-amino-2-(3-fluoro-4-hydroxyphenyl)acetyl]amino]-8-oxo-3-(2H-triazol-4-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
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C18H17FN6O5S2
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