Using COC(=O)C(C)Cc1cc(CCC(=O)OC(C)(C)C)cc(Cc2cccnc2)c1 to produce CC(Cc1cc(CCC(=O)OC(C)(C)C)cc(Cc2cccnc2)c1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.