Using COc1ccc(C(=O)c2c(-c3ccc(OC)cc3)sc3cc(OC)ccc23)cc1 to produce COc1ccc(-c2sc3cc(OC)ccc3c2C(=O)c2ccc(O)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.