You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,3-dihydro-1H-inden-5-yl-[3-hydroxy-3-(2H-triazol-4-yl)pyrrolidin-1-yl]methanone is the IUPAC name of a molecule. Please give its molecular formula.
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C16H18N4O2
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