You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is light-emitting. Use the above information to create a molecule.
user
C1=C(c2ccc3c(ccc4ccccc43)c2)C=C(c2ccc3c(c2)c2ccccc2n3-c2ccccc2)CC1
assistant