You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a photochromic.
user
CCCCC1(O)c2ccccc2-c2ccccc2-c2c1c1c(c3cc(OC)c(OC)cc23)OC(c2ccc(OC)cc2)(c2ccc(OC)cc2)C=C1
assistant