Using [BH3-]C#N, CC(C)(C)OC(=O)N1CCC(CNCC2CCN(C(=O)OC(C)(C)C)CC2)CC1 to produce CN(CC1CCN(C(=O)OC(C)(C)C)CC1)CC1CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.