Using CSCCl, O[C@H]1c2cccc(Cl)c2S[C@H]1Cc1ncc[nH]1 to produce CSCO[C@H]1c2cccc(Cl)c2S[C@H]1Cc1ncc[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.