Using CCOC(=O)Cc1csc2cc(SCc3ccc(Cl)cc3Cl)ccc12, O=S([O-])([O-])=S to produce CCOC(=O)Cc1csc2cc(S(=O)Cc3ccc(Cl)cc3Cl)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.