You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 4-[(15-fluoro-11-oxo-3,5,10-triazatetracyclo[11.4.0.02,6.07,12]heptadeca-1(13),2(6),4,7(12),8,14,16-heptaen-4-yl)sulfanyl]-3-methylpyridine-2-carboxylic acid into its molecular formula.
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C21H13FN4O3S
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