You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a mcl1 inhibitor and is cancer treatment.
user
COC1(CN2CCN3CCCCC3C2)C=CCC(C)C(CC2CCC2)S(=O)(=O)NC(=O)c2ccc3c(c2)N(CC2CCC21)CC1(CCCc2cc(Cl)ccc21)CO3
assistant