Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, CC(C)(C)OC(=O)N1CC2(CCNCC2)C1 to produce CN1CCC2(CC1)CN(C(=O)OC(C)(C)C)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.