Using Nc1nc2ccc(-c3ccccc3C(O)C3CCOCC3)cc2cc1N1CCOCC1 to produce Nc1nc2ccc(-c3ccccc3CC3CCOCC3)cc2cc1N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.