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
Cc1ccc(-c2cn(-c3ccccc3)c(-c3nc(-c4ccc(C)s4)cn3-c3ccccc3)n2)s1
assistant