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: The molecule is a asthma treatment. Please represent the molecule in SMILES.
user
COc1nc(NCCc2ccc(Cl)cc2Cl)cc(-c2cccc(C(C)(C)C(=O)OP(=O)(O)O)c2)n1
assistant