Using CCOC(=O)C(=C[C@@H]1OC(C)(C)N(C(=O)OCc2ccccc2)[C@H]1CC(C)C)CC to produce CCC(=C[C@@H]1OC(C)(C)N(C(=O)OCc2ccccc2)[C@H]1CC(C)C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.