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 diode. Please represent the molecule in SMILES.
user
CC(C)c1cc(-c2n[nH]c3c2C2CCC3(C)C2(C)C)ncn1
assistant