Using O=C(Nc1cccnn1)N1CC(Oc2ccc(-c3cccc(OCCOCc4ccccc4)c3)cn2)C1 to produce O=C(Nc1cccnn1)N1CC(Oc2ccc(-c3cccc(OCCO)c3)cn2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.