You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the fluorescent class of molecules.
user
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)c1ccc2c(c1)c(=O)c1cc3c(cc12)c(=O)c1cc(C(=O)NCCNC(=O)CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC)ccc13
assistant