You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the organic light-emitting diode class of molecules. Use the above information to create a molecule.
user
CC(C)(C)C1CCC2(C)C(C1)c1cc(-c3ccc4c(-c5cccc6ccccc56)c5cc(-c6ccc7c(c6)C6CC(C(C)(C)C)CCC6(C)N7c6ccccc6)ccc5c(-c5cccc6ccccc56)c4c3)ccc1N2c1ccccc1
assistant