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
COc1ccc(N(c2ccc(OC)cc2)c2cc3c(c4ccccc24)-c2c(ccc4ccccc24)C3(C(C)(C)C)C2(C(C)(C)C)c3ccc4ccccc4c3-c3c2cc(N(c2ccc(OC)cc2)c2ccc(OC)cc2)c2ccccc32)cc1
assistant