Using [BH3-]C#N, N#Cc1ccc(Cl)cc1Oc1cccc2c1CCCC2=O to produce CNC1CCCc2c(Oc3cc(Cl)ccc3C#N)cccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.