Using COc1ccccc1C(=O)Nc1ccc(N2C(=O)CC(=O)Nc3c2ccc2ccccc32)cc1 to produce O=C1CC(=O)N(c2ccc(NC(=O)c3ccccc3O)cc2)c2ccc3ccccc3c2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.