Using CC(C)(C)OC(=O)N[C@@H]1C=C[C@@](C(=O)O)([C@H]2CCOC2)C1 to produce CC(C)(C)OC(=O)N[C@@H]1CC[C@@](C(=O)O)([C@H]2CCOC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.