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For the molecule named 8-(3-chloro-4-fluorophenyl)-4-[(3R,5S)-3,5-dimethyl-4-prop-2-enoylpiperazin-1-yl]-12-hydroxy-7-methyl-10-thia-1,3-diazatricyclo[7.4.1.05,14]tetradeca-3,5(14),6,8-tetraen-2-one by IUPAC nomenclature, provide its molecular formula.
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C27H28ClFN4O3S
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