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(-c2ccc(CCc3cc(CCc4ccc(-c5ccc(C)cn5)cc4)cc(-c4ccccc4-c4ccc(-c5cc(-c6ccccc6)c6cc(Cc7ccnc(-c8ccc(CCc9cc(CCc%10ccc(-c%11cc(C)ccn%11)cc%10)cc(-c%10ccccc%10-c%10ccc(-c%11cc%12ccccc%12cn%11)cc%10-c%10cccc(-c%11ccccc%11)c%10)c9)cc8)c7)ccc6n5)cc4-c4ccc5c(c4)sc4ccccc45)c3)cc2)nc1
assistant