Using O=C(CCc1cncc(Cl)c1)CS(=O)(=O)N1CCN(c2ccc(Cl)cc2)CC1 to produce O=S(=O)(CC(O)CCc1cncc(Cl)c1)N1CCN(c2ccc(Cl)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.