You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a shp2 inhibitor and belongs to the cancer treatment class of molecules. Use the above information to create a molecule.
user
Cc1nc(N2CCC3(CCCC3)C(NC(=O)OC(C)(C)C)C2)n2ccnc2c1Br
assistant