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-methylphenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine-8-carboxylic acid is given. What is its corresponding molecular formula?
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C15H16N2O2
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