Using O=Cc1ccc(Br)cc1, C[C@H]1CNCCN1C(=O)OCc1ccccc1 to produce C[C@H]1CN(Cc2ccc(Br)cc2)CCN1C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.