Using CCOC(=O)c1cnc2c(OC)cccc2c1Cl, Nc1ccc(C=O)cc1 to produce CCOC(=O)c1cnc2c(OC)cccc2c1Nc1ccc(C=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.