preferred_name: a 1-hydroxy-3-oxo steroid => a 3-oxo-Delta(1)-steroid + H2O
preferred_name_lc: a 1-hydroxy-3-oxo steroid => a 3-oxo-delta(1)-steroid + h2o
label: a 1-hydroxy-3-oxo steroid => a 3-oxo-Delta(1)-steroid + H2O
label_lc: a 1-hydroxy-3-oxo steroid => a 3-oxo-delta(1)-steroid + h2o