Using O=S(=O)(c1ccc(Br)cc1)N1CCNCC1, CC(Br)c1ncc2ccccc2n1 to produce CC(c1ncc2ccccc2n1)N1CCN(S(=O)(=O)c2ccc(Br)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.