Using [BH3-]C#N, O=C(CN1CCOCC1)c1ccc(-c2ccccc2)cc1 to produce CNC(CN1CCOCC1)c1ccc(-c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.