Using CS(=O)(=O)Cl, Cn1cc(Nc2ncc(Cl)c(NC3CCC4(CCNCC4)CC3)n2)cn1 to produce Cn1cc(Nc2ncc(Cl)c(NC3CCC4(CC3)CCN(S(C)(=O)=O)CC4)n2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.