You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a ret kinase inhibitor that impacts cancer treatment. Please write the SMILES representation of it.
user
Cc1cc2ccc(C(=O)Nc3ccn(CC(=O)N(C)C)n3)cc2n1C(C)C
assistant