Response to the comment "Uranyl-chloride speciation and uranium transport in hydrothermal brines: Comment on Migdisov et al. (2018)" by Dargent et al. (15th August 2018) - Migdisov, A.A.; Runde, W.; Williams-Jones, A.E.; Boukhalfa, H.; Roback, R.; Timofeev, A.