You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a beta2 agonist and is asthma treatment.
user
CC1CC2C3CC(F)C4=CC(=O)C=CC4(C)C3(F)C(S)CC2(C)C1(OC(=O)c1ccco1)C(=O)SCF
assistant