**4. Conclusions**

In this study, we have conducted a comprehensive molecular simulation study to examine the efficiency of carbon dioxide, nitrogen and methane to extract hydrocarbons from organic rough pores. We found that:


**Author Contributions:** Conceptualization, methodology and analysis, M.M. and Q.K.; resources, Q.K. and H.V.; writing—original draft preparation, M.M.; writing—review and editing, Q.K. and H.V.; supervision, Q.K. and H.V.; funding acquisition, Q.K. All authors have read and agreed to the published version of the manuscript.

**Funding:** This work was supported by the Laboratory Directed Research and Development (LDRD) program of Los Alamos National Laboratory (LANL).

**Conflicts of Interest:** The authors declare no conflict of interest.
