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 optoelectronic class of molecules. Please write the SMILES representation of it.
user
O=c1c2c(-c3ccc4c(c3)[nH]c3ccccc34)cc(-c3ccc4c(c3)[nH]c3ccccc34)cc2c2ccc3c4cc(-n5c6ccc(-c7ccccc7)cc6c6cc(-c7ccccc7)ccc65)cc(-n5c6ccc(-c7ccccc7)cc6c6cc(-c7ccccc7)ccc65)c4c(=O)c3c12
assistant