You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: It belongs to the organic light-emitting device class of molecules. Please write the SMILES representation of it.
user
C=CC(CC(=C)c1c2ccccc2c(-c2ccc3c(c2)-c2ccc4c(ccc5sc6ccccc6c54)c2C3(C)C)c2ccccc12)c1cccc(-c2ccc3c(c2)sc2cc4ccc5c(c4cc23)C(C)(C)C(=CC=C(C)c2c3ccccc3c(C(C)=CC=CCc3ccccc3)c3ccccc23)C5)c1
assistant