Using O=C(CCn1ccnc1)N1c2ccccc2Sc2ccc(Cl)cc21, O=C([O-])O to produce O=C(CCn1ccnc1)N1c2ccccc2S(=O)c2ccc(Cl)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.