Using CCOC1(OCC)CCN(c2ccc(-c3ccc(OCc4ccccc4)cc3)cc2)CC1 to produce O=C1CCN(c2ccc(-c3ccc(OCc4ccccc4)cc3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.