You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a tyk2 inhibitor.
user
COC1CC(Oc2cc(Nc3cc(NC(C)=O)ncc3-c3ccn(C)n3)nc(S(C)(=O)=O)c2)C1
assistant