You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: It belongs to the fluorescent class of molecules. Please write the SMILES representation of it.
user
O=C(O)C[n+]1c(C=Cc2ccc3c(c2)C2CCCC2N3c2ccc(C=C(c3ccccc3)c3ccccc3)cc2)oc2ccccc21
assistant