You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is photochromic.
user
CCCC1CC(C2CCC(C(C)CCCC(C)C)C2(C)CCC)C=CC1CNC(=O)OC1CCN(C)CC1
assistant