You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the organic light-emitting class of molecules. Please represent the molecule in SMILES.
user
c1ccc2c(c1)ccc1c2c2c3c(cc4c5ccccc5n1c42)c1ccccc1n3-c1nnc(-n2c3ccccc3c3ccccc32)c2ccccc12
assistant