Using O=S(=O)([O-])CCl, Oc1ccc(-c2ccc(Cl)cc2)cc1 to produce O=S(=O)([O-])COc1ccc(-c2ccc(Cl)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.