You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a organic electroluminescent device and belongs to the electroluminescent class of molecules.
user
C1=CC2C(c3ccccc3)=CC=C(N(c3ccc(-c4ccccc4-c4ccc(N(c5cc6ccccc6cc5-c5ccccc5)c5ccc(-c6ccccc6)c6ccccc56)cc4)cc3)c3cc4ccccc4cc3-c3ccccc3)C2C=C1
assistant