Using COCc1ccccc1-c1sc2cc(OC)ccc2c1Oc1ccc(/C=C/C(=O)O)cc1 to produce COCc1ccccc1-c1sc2cc(O)ccc2c1Oc1ccc(/C=C/C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.