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system
Provide the molecular formula for the IUPAC named substance 11-(2,3-dichlorophenyl)-4,8-dimethyl-2,3,5,7,11-pentazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,12-pentaen-10-one .
user
C16H11Cl2N5O
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