Using CCOC(=O)C=Cc1ccc(OCc2cccc(Oc3ccccc3)n2)cc1, NO to produce Oc1cc(-c2ccc(OCc3cccc(Oc4ccccc4)n3)cc2)on1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.