Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, O=C1c2ccccc2-c2ccc(N3C[C@@H]4CN[C@@H]4C3)cc21 to produce CN1C[C@H]2CN(c3ccc4c(c3)C(=O)c3ccccc3-4)C[C@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.