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 a fluorescent. Use the above information to create a molecule.
user
COC(=O)CN(CC(=O)OC)c1ccccc1OCCOc1cc(NC(=O)CCCc2ccc3ccc4cccc5ccc2c3c45)ccc1N(CC(=O)OC)CC(=O)OC
assistant