Using BrCC1CC1, COC(=O)C1c2ccc(O)cc2CCN1Cc1ccc([C@H](C)NC(C)=O)cc1 to produce COC(=O)C1c2ccc(OCC3CC3)cc2CCN1Cc1ccc([C@H](C)NC(C)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.