You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): It belongs to the organic light-emitting device class of molecules.
user
C=C(C=CC(=C)n1c2ccccc2c2cc(-c3ccc(-c4cc(-c5ccccc5)nc(-c5ccccc5)n4)cc3)ccc21)C(C)=Cc1c(CC)c2ccccc2n1-c1ccccc1
assistant