Using COc1ccc(-c2ccc3cc(OC)ccc3c2Oc2ccc(C=CC(=O)O)cc2)cc1 to produce O=C(O)C=Cc1ccc(Oc2c(-c3ccc(O)cc3)ccc3cc(O)ccc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.