You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): It belongs to the electronic device, organic electroluminescent device, and electroluminescent classes of molecules.
user
O=C1c2cc3c(cc2C2CCC1CC2)c1cc2c4cccc5cccc(c54)n(-c4ccccc4)c2c2c4cc5c(cc4n3c12)C(=O)C1CCC5CC1
assistant