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 tgfbeta inhibitor and belongs to the cancer treatment class of molecules. Please write the SMILES representation of it.
user
CCCS(=O)(=O)n1c(N)nc2ccc(-c3c(-c4cccc(C)n4)nn4ccccc34)cc21
assistant