Using [BH3-]C#N, CC(C)(C)OC(=O)N1CCC2(CCC(=O)CC2)CC1 to produce CNC1CCC2(CC1)CCN(C(=O)OC(C)(C)C)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.