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: It belongs to the organic light-emitting device class of molecules. Please write the SMILES representation of it.
user
c1ccc(-n2c3ccccc3c3cc(-c4c5ccccc5c(-c5ccc6c(c5)sc5ccc(-c7c8ccccc8c(-c8ccc9c(c8)c8ccccc8n9-c8ccccc8)c8ccccc78)cc56)c5ccccc45)ccc32)cc1
assistant