Using O=C([O-])O, O=C(c1cn(-c2ccc(Cl)cc2)c(-c2ccccc2Cl)n1)N1CCSCC1 to produce O=C(c1cn(-c2ccc(Cl)cc2)c(-c2ccccc2Cl)n1)N1CCS(=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.