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-[1-[(2,6-dichlorophenyl)methyl]pyrazol-3-yl]-3-[1-[(3-fluorophenyl)methyl]-3,5-dimethylpyrazol-4-yl]thiourea by IUPAC nomenclature, provide its molecular formula.
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C23H21Cl2FN6S
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