Using Nc1ncc(-c2cccc3ncccc23)nc1N, COc1ccc(CNc2nc(-c3cccc4ncccc34)cnc2N)cc1 to produce O=c1[nH]c2ncc(-c3cccc4ncccc34)nc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.