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=CC=CCC=CC(=CC)C1=CC(=C)C(C(C)C=CCCC)=CC=CCC2(CCC1)C(=C)C=CCC(C)c1ccccc12)Nc1ccccc1
assistant