Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, Nc1ncc(-c2cnn(C3CCNCC3)c2)nc1-c1nc2ccccc2o1 to produce CN1CCC(n2cc(-c3cnc(N)c(-c4nc5ccccc5o4)n3)cn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.