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: It belongs to the s1p1 agonist class of molecules.
user
CCOC(=O)CC1CCCN(CC(O)c2ccc(C#N)cc2)C1I
assistant