Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, COC(=O)c1cnc(C2CCNCC2)nc1 to produce COC(=O)c1cnc(C2CCN(C)CC2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.