You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (11S,14S)-14-fluoro-5-hydroxy-3,6-dioxo-N-[(2,4,6-trifluorophenyl)methyl]-2,9-diazatetracyclo[10.2.1.02,11.04,9]pentadeca-4,7-diene-7-carboxamide is given. What is its corresponding molecular formula?
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C21H17F4N3O4
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