You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-(3-cyano-4-fluorophenyl)-1-methyl-3-(3-methylpent-4-enoxy)-4-sulfinamoylpyrrole-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C19H21FN4O3S
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