Using COc1ccc(Cl)cc1N, O=C(O)Cc1ccc(-c2ccc(O)cc2)cc1 to produce COC1(C(=O)Cc2ccc(-c3ccc(O)cc3)cc2)C=CC(Cl)=CC1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.