You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (3R)-7-(1-benzylpyrazol-3-yl)-6-oxo-N-(1-prop-2-enoylpiperidin-3-yl)-2-thia-5,7,11-triazatricyclo[6.3.1.04,12]dodeca-1(11),8(12),9-triene-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C27H27N7O3S
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