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
CC1(C)c2ccc(-c3cccc(-c4c5ccccc5c(-c5cccc6ccccc56)c5ccccc45)c3)cc2-c2cc3c(ccc4c5ccccc5oc34)cc21
assistant