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 phosphorescent, high luminous efficiency, electroluminescent, and organic electroluminescent classes of molecules and has an effect on delayed fluorescence. Please write the SMILES representation of it.
user
c1ccc(-n2c3ccccc3c3ccc(-c4ccc5c(c4)c4ccccc4n5-c4cccc(-c5cc6ccccc6c6ccccc56)c4)cc32)cc1
assistant