You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is light-emitting.
user
Cc1ccccc1N(c1cccc(-c2cccc3c2oc2ccccc23)c1)c1ccc2ccc3c(N(c4cccc(-c5cccc6c5oc5ccccc56)c4)c4ccccc4C)ccc4ccc1c2c43
assistant