Using COc1cc(-c2cc3nccc(-c4cccc(OCc5ccccc5)c4)c3o2)cc(OC)c1OC to produce COc1cc(-c2cc3nccc(-c4cccc(O)c4)c3o2)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.