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: The molecule is a organic light-emitting device. Please represent the molecule in SMILES.
user
c1ccc(N(c2ccc3c(c2)oc2ccc4ccccc4c23)c2ccc3c4c5ccccc5ccc4n(-c4ccc5ccccc5c4)c3c2)cc1
assistant