Using Cc1ccc(NC(=O)c2cccc3c2oc2ccccc23)cc1Nc1ccnc(Cl)n1, CO to produce COc1nccc(Nc2cc(NC(=O)c3cccc4c3oc3ccccc34)ccc2C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.