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 light-emitting class of molecules. Please represent the molecule in SMILES.
user
CCCCC(CC)Cc1cc(-c2ccc(N(c3ccc(N(c4ccc(C)cc4)c4c(C)cc(C(C)(C)C)cc4C)cc3)c3c(C)cc(C(C)(C)C)cc3C)cc2)cc2c(CC(CC)CCCC)cc(C)cc12
assistant