You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the organic light-emitting device class of molecules. Please represent the molecule in SMILES.
user
C1=c2ccccc2=CC2c3c(cc(-c4ccc(-c5ccccc5)cc4)nc3C3N=C(c4ccccc4)NC(c4ccccc4)=N3)OC12
assistant