You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 8-methyl-3-propan-2-yl-5,6,7,8-tetrahydroimidazo[1,5-a]pyridine-1-carboxylic acid into molecular formula.
user
C12H18N2O2
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