1. Radiation Center for Ultrafast Science, Korea Atomic Energy Research Institute (KAERI), Daejeon 34057, Republic of Korea
2. Department of Chemistry and KI for BioCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
3. Center for Advanced Reaction Dynamics, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
4. Department of Chemistry, The Catholic University of Korea, Bucheon 14662, Republic of Korea
5. Department of Chemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, Republic of Korea
6. European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
7. Institute of Materials Structure Science, High Energy Accelerator Research Organization, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
8. Department of Materials Structure Science, School of High Energy Accelerator Science, The Graduate University for Advanced Studies, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
9. Department of Chemistry, Inha University, 100 Inha-ro, Michuhol-gu, Incheon 22212, Republic of Korea