Using COC(=O)c1c(CS(=O)(=O)c2ccccc2)ccc(-c2nccs2)c1OC to produce COc1c(-c2nccs2)ccc(CS(=O)(=O)c2ccccc2)c1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.