Using Nc1cc(Cl)ncn1, O=S1(=O)CCC([NH+]2CC[NH2+]CC2)C1 to produce Nc1cc(N2CCN(C3CCS(=O)(=O)C3)CC2)ncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.