You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the cancer treatment class of molecules. Please represent the molecule in SMILES.
user
C=CN(C)C(=CN)C(NC(=O)COC)C1=Cc2cccnc2C(N2CCN(C(=O)OC3(C4CC4)CC3)CC2)c2ccc(Cl)cc21
assistant