You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-(2,5-dimethylphenyl)-3-[1-[(2-methylphenyl)methyl]-1,2,4-triazol-3-yl]thiourea is given. What is its corresponding molecular formula?
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C19H21N5S
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