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 organic light-emitting and light-emitting. Please write the SMILES representation of it.
user
c1ccc2cc3c(cc2c1)c1ccccc1n3-c1ccc2c3c4ccccc4ccc3n(-c3nc(-c4cccc5oc6ccccc6c45)c4ccccc4n3)c2c1
assistant