You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a organic light-emitting device.
user
C=C(C=CCC)n1c2ccccc2c2cc(N(c3ccccc3)c3ccc(-c4ccc(N(c5ccccc5)c5ccc6c(c5)c5ccccc5n6-c5ccccc5)cc4)cc3)ccc21
assistant