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 fluorescent. Use the above information to create a molecule.
user
NCCCOOc1ccc2c(c1)c(=O)c1cccc3c1c2c1cccc2c(=O)c4cc(CCCN)ccc4c3c21
assistant