Using COc1ccc(C(=O)Cl)cc1OC, NCC(=O)c1ccc2c(c1)CCC(=O)N2 to produce COc1ccc(C(=O)NCC(=O)c2ccc3c(c2)CCC(=O)N3)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.