Using CC1(NC(=O)OCc2ccccc2)CCNCC1, CS(=O)(=O)c1ccc(Br)nc1 to produce CC1(N)CCN(c2ccc(S(C)(=O)=O)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.