Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, O=C(OCC1CNCCO1)N1CCN(c2ccccc2)CC1 to produce CN1CCOC(COC(=O)N2CCN(c3ccccc3)CC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.