Using [BH3-]C#N, Cn1ncc2cc(C(F)(F)F)cc(COCC3(c4ccc(F)cc4)CCNCC3)c21 to produce CN1CCC(COCc2cc(C(F)(F)F)cc3cnn(C)c23)(c2ccc(F)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.