Using COC(=O)c1ccc(COC(C)=O)nc1C1=NC(C)(C(C)C)C(=O)N1C(C)=O to produce COC(=O)c1ccc(CO)nc1C1=NC(C)(C(C)C)C(=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.