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 light-emitting device that has an effect on low driving voltage.
user
C1=Cc2c(cccc2N(C2=CCC(c3ccc(N(c4ccc5c(c4)c4ccccc4n5-c4ccccc4)c4cccc5ccccc45)cc3)C=C2)c2ccc3c(c2)c2ccccc2n3-c2ccccc2)CC1
assistant