Using CC(C)(C)[O-], CC(C)(C)OC(=O)N1[C@@H](C(=O)C2CC2)COC1(C)C to produce C=C(C1CC1)[C@H]1COC(C)(C)N1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.