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 treatment of disorder member of the s1p1 agonist class.
user
CCOC(=O)CCCn1ccc2c(C#N)ccnc21
assistant