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
c1ccc(-c2cc(-c3ccc(-n4c5ccccc5c5ccc6c(c7ccccc7n6-c6cccc7ccccc67)c54)cc3)cc(-c3ccccc3)n2)cc1
assistant