SMILES:NC(CNC(C1=CC=CC2=C1NN(C2=O)C3=CC=C(C=C3)C)=O)=O aromatic atomsSMILES:NC(CNC(C1=CC=CC2=C1NN(C2=O)C3=CC=C(C=C3)C)=O)=O aromatic atoms

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