Using COCC(=O)Nc1cc2c(cc1C#N)C(Nc1ccc(C(=O)OC(C)(C)C)cc1)CC2, CCO to produce COCc1nc2cc3c(cc2c(=O)[nH]1)C(Nc1ccc(C(=O)OC(C)(C)C)cc1)CC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.