You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: It belongs to the optoelectronic class of molecules.
user
C=Cc1c(C=CC)c2ccccc2c2cc3[nH]c4c5c6cc7c(C=CC)c(C)c8ccccc8c7cc6[nH]c5c5c6cc7c(C)c(C=CC)c8ccccc8c7cc6[nH]c5c4c3cc12
assistant