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 2-[4-(1,2,4-triazol-4-yl)benzoyl]-3,4-dihydro-1H-isoquinoline-4-carboxylic acid is given. What is its corresponding molecular formula?
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C19H16N4O3
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