Using CC(C)(C)OC(=O)N1CCNCC1, Cc1cc(Br)ccc1S(=O)(=O)Cl to produce Cc1cc(Br)ccc1S(=O)(=O)N1CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.