Using COc1cc2nccc(Sc3ccccc3)c2cc1OC, O=C(OO)c1cccc(Cl)c1 to produce COc1cc2nccc(S(=O)c3ccccc3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.