You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the high refractive index class of molecules.
user
Oc1ccc2cc(C3(c4cccc5ccccc45)C=CC=C4C3=Cc3c4cccc3-c3cccc4ccccc34)ccc2c1
assistant