Using O=CC1=C(Cl)c2ccccc2OC1c1ccccc1, O=C(O)CS to produce O=CC1=C(SCC(=O)O)c2ccccc2OC1c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.