You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a tyk2 inhibitor. Use the above information to create a molecule.
user
CC(=O)N1CCN(c2ccc(Nc3cc(N4CCC(C#N)(C5CC5)C4=O)ccn3)nc2)CC1.Cl
assistant