You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a cancer treatment, a anti proliferative, and anti mitotic.
user
COC(=O)c1nc(-c2nc3oc2C24c5ccccc5NC2Oc2ccc(cc24)CC(NC(=O)C2(O)CCCCC2)C(=O)NC3C(C)C)oc1Cl
assistant