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 anti tumor agent and is thrombosis treatment.
user
CCOC(=O)CC1(C(=O)OCC)CCN(CC2CN(C(C(N)=NC(=O)OC(C)(C)C)C3CCNCC3)C(=O)O2)CC1
assistant