Using CCC#CC(C)(C)NC(=O)C(CC)Oc1cncc(C(=O)OC)c1 to produce CCC#CC(C)(C)NC(=O)C(CC)Oc1cncc(C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.