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: It belongs to the photochromic class of molecules.
user
CC1(Cc2ccccc2)c2ccccc2-c2c1c1c(c3ccccc23)OC(c2ccccc2)(c2ccccc2C2CCNCC2)C=C1
assistant