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 that fulfills the requirement: It belongs to the fluorescent class of molecules.
user
c1ccc2c(c1)-c1ccccc1C21c2ccccc2-n2c3ccccc3c3c4c(cc1c32)c1ccccc1n1c2ccccc2nc41
assistant