You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a photochromic.
user
CCCOc1ccc(C2(c3ccc(OCCC)cc3)C=Cc3c4c(c5cc(-c6ccc(OC)cc6OCN=[N+]=[N-])c(OC)cc5c3O2)-c2ccccc2C42CC(C)(C)CC(C)(C)C2)cc1
assistant