Using C=C(c1cccc(-c2cccc(-c3ccccc3)c2OCc2ccccc2)c1)c1ccccc1OC to produce COc1ccccc1C(C)c1cccc(-c2cccc(-c3ccccc3)c2O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.