You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[2-[(1R,2S,5S)-2-[[(1R)-2,2-dichlorocyclopropyl]methylcarbamoyl]-3-azabicyclo[3.1.0]hexan-3-yl]-2-oxoethyl]indazole-3-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C20H20Cl2N4O4
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