You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-methyl-5-pyrrol-1-yl-N-[(1R,2R,3R,5S)-2,6,6-trimethyl-3-bicyclo[3.1.1]heptanyl]pyrazole-4-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C19H26N4O
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