You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is photochromic.
user
COc1cc2c3c(c4c(c2cc1C)-c1cc(C)c(C)cc1C(C)(C)C4(O)c1ccccc1)C=CC(c1ccccc1)(c1ccc(N(C)C)cc1)O3
assistant