You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a autoimmune treatment and a immunomodulator, belonging to the s1p1 agonist class of molecules.
user
NC(=O)Cn1ccc2c(-c3noc(-c4cn5cc(C(F)(F)F)cc(Cl)c5n4)n3)cccc21
assistant