You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a rheumatoid arthritis treatment and belongs to the cancer treatment class of molecules.
user
Cn1cc(NC(=O)c2cccc(C(C=N)=CN)n2)c(C(=O)O)n1
assistant