Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, CCc1c(NCC(N)C(=O)OC(C)(C)C)ncnc1N1CCC(c2ccc3c(n2)NCCC3)CC1 to produce CCc1c(NCC(NCC(CC)CC)C(=O)OC(C)(C)C)ncnc1N1CCC(c2ccc3c(n2)NCCC3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.