Using [BH3-]C#N, CC(C)(C)OC(=O)NC[C@@H]1CNC[C@H]1CNC(=O)OC(C)(C)C to produce CN1C[C@@H](CNC(=O)OC(C)(C)C)[C@H](CNC(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.