Using COc1ccc(C=Cc2cc(=O)cc(-c3ccccc3)o2)cc1 to produce O=c1cc(C=Cc2ccc(O)cc2)oc(-c2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.