You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a anti oxidant. Please write the SMILES representation of it.
user
C=C1CCC2C(OC(=O)C2(O)CC(=O)c2ccc(-c3ccc(C#CC)s3)s2)C2C(=C)CCC12
assistant