Using COC(=O)c1ccc(COc2cccc(-c3cc(C(C)C)cc4cccnc34)c2)cc1 to produce CC(C)c1cc(-c2cccc(OCc3ccc(C(=O)O)cc3)c2)c2ncccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.