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 light-emitting class of molecules. Please write the SMILES representation of it.
user
C1=CC2c3cc(-c4ccc(-c5cnc6c7ccccc7c7ccccc7c6n5)c5ccccc45)ccc3N(c3ccccc3)C2C=C1
assistant