Using CC1CC(=O)N(CCCCBr)S(=O)(=O)N1, Clc1cncc(N2CCNCC2)n1 to produce CC1CC(=O)N(CCCCN2CCN(c3cncc(Cl)n3)CC2)S(=O)(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.