Using CC(C)C(=O)CCN[C@@H](C)c1ccc(Br)cc1, C=C(C)CCl to produce C=C(C)CC(O)(CCN[C@@H](C)c1ccc(Br)cc1)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.