Using O=C(c1cc2ccccc2[nH]1)N1C[C@@H]2C[C@H]1CN2, CC(=O)O[BH-](OC(C)=O)OC(C)=O to produce CN1C[C@@H]2C[C@H]1CN2C(=O)c1cc2ccccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.