Using COc1ccc(S(=O)(=O)N2CCNCC2)cc1, CC(Br)c1ncc(Br)c(=O)[nH]1 to produce COc1ccc(S(=O)(=O)N2CCN(C(C)c3ncc(Br)c(=O)[nH]3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.