You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a raf kinase inhibitor.
user
Cc1nc(-c2ccnc(N)c2)c(C2CC(NC(=O)NC3=CCC(C(F)(F)F)C=C3)=C(F)C=C2F)s1
assistant