Using O=C(OCc1ccccc1)N1C[C@H]2CN[C@H]2C1, CC(=O)O[BH-](OC(C)=O)OC(C)=O to produce CN1C[C@@H]2CN(C(=O)OCc3ccccc3)C[C@@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.