You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is photochromic. Please write the SMILES representation of it.
user
Cc1ccc(C(=O)Oc2ccc(OC(=O)c3ccc(OCCCCCCCCOC(=O)c4cc(C(C)(C)C)c(O)c(C(C)(C)C)c4)cc3)cc2)cc1
assistant