Using O=C1CCC2(CC1)CCN(Cc1ccccc1)C2, Brc1cccnc1 to produce OC1(c2cccnc2)CCC2(CCN(Cc3ccccc3)C2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.