Using CC(C)(C)OC(=O)N[C@@H](COCc1ccccc1)c1nnnn1CCC#N to produce CC(C)(C)OC(=O)N[C@@H](COCc1ccccc1)c1nn[nH]n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.