You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a organic light-emitting device. Please write the SMILES representation of it.
user
C=CC=CC=C(C)n1c2ccccc2c2c(-c3sc(-c4ccccc4)c4ccccc34)c(-c3ccccc3)ccc21
assistant