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: The molecule is a organic light-emitting diode that has an effect on low driving voltage. Please write the SMILES representation of it.
user
c1ccc(N(c2ccccc2)c2ccc3c(c2)c2cc(-c4ccc5ccc6cc7cccnc7c7ccc4c5c67)ccc2n3-c2ccccc2)cc1
assistant