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 electroluminescent device and is electroluminescent. Please write the SMILES representation of it.
user
CC1(C)c2ccccc2-c2ccc(-c3ccc4c(c3)N(c3c(-c5ccc(-c6ccccc6)cc5)cc(-c5ccccc5)cc3-c3ccc(-c5ccccc5)cc3)c3cc(-c5ccc6c(c5)C(C)(C)C5CCCCC65)ccc3O4)cc21
assistant