Using COc1ccc(C=O)cc1, COc1ccc(C2CC(=O)c3cc(O)ccc3O2)cc1 to produce COc1ccc(C=C2C(=O)c3cc(O)ccc3OC2c2ccc(OC)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.