label: firefly L-luciferin + 3'-phosphoadenylyl sulfate <=> firefly L-sulfoluciferin + adenosine 3',5'-bisphosphate + H(+)
label_lc: firefly l-luciferin + 3'-phosphoadenylyl sulfate <=> firefly l-sulfoluciferin + adenosine 3',5'-bisphosphate + h(+)