Using CCOC(=O)c1cnc(Cl)cc1Cl, Nc1ccc2ccccc2c1Cl to produce CCOC(=O)c1cnc(Cl)cc1Nc1ccc2ccccc2c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.