Using O=C1[C@H]2CCC[C@H]2Nc2ccccc2N1CCc1ccccc1, O=C(Br)CBr to produce O=C1[C@H]2CCC[C@H]2N(C(=O)CBr)c2ccccc2N1CCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.