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-[1-(2-methylpyrazol-3-yl)ethyl]-3,4-dihydro-1H-isoquinoline-1-carboxylic acid is given. What is its corresponding molecular formula?
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C16H19N3O2
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