preferred_name: coelenterazine h dioxetanone => coelenterazine h + O2
preferred_name_lc: coelenterazine h dioxetanone => coelenterazine h + o2
label: coelenterazine h dioxetanone => coelenterazine h + O2
label_lc: coelenterazine h dioxetanone => coelenterazine h + o2