You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the organic light-emitting class of molecules. Please represent the molecule in SMILES.
user
C1=CCC(c2nc(-c3ccccc3)nc(-c3ccc(C4=NC(c5ccccc5)C(c5ccccc5)=C(c5ccccc5)N4)cc3)n2)C=C1
assistant