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: The molecule is a member of the organic light-emitting device class and affects light emission. Please represent the molecule in SMILES.
user
CC1(C)c2ccccc2-c2ccc(-c3cccc4c3c3cc5ccccc5cc3n4-c3nc(-c4ccc5c(c4)oc4ccccc45)c4ccc(-c5ccccc5)cc4n3)cc21
assistant