But deskpro2k3, what is an Organic Molecule?
Answer: Organic molecules are the molecules of life and are built around chains of carbon atoms. There are four main organic molecules that combine to build cells and their parts: carbohydrates, proteins, lipids, and nucleic acids (DNA/RNA).
Source: https://www.nasa.gov/press-release/nasa-finds-ancient-organic-material-mysterious-methane-on-mars
The Curiosity rover has discovered ancient organic molecules on Mars, embedded within sedimentary rocks that are billions of years old.
Ancient Organics Discovered on Mars
https://www.youtube.com/watch?v=a0gsz8EHiNc