Using O=C([O-])[O-], CN1CCC(CC(C#N)c2ccc(Br)cc2)CC1 to produce CN1CCC(CC(C(=O)O)c2ccc(Br)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.