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What is the molecular formula of the molecule identified by 4-(3-chlorophenyl)-12-methoxy-2-methyl-4,6,16-triazatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),10(15),11,13-tetraene-3,5-dione ?
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C21H18ClN3O3
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