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 [(3S)-6-methylidene-1-azabicyclo[2.2.2]octan-3-yl] (7R)-7-(4-fluorophenyl)-11-methylsulfonyl-4-azabicyclo[6.4.0]dodeca-1(8),9,11-trien-5-yne-4-carboxylate into molecular formula.
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C27H27FN2O4S
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