You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[3-[5-chloro-6-(difluoromethyl)-2-[(2S)-2-methylazetidin-1-yl]pyrimidin-4-yl]-3-azabicyclo[3.1.0]hexan-6-yl]acetic acid by IUPAC nomenclature, provide its molecular formula.
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C16H19ClF2N4O2
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