preferred_name: an N-acyleicosasphing-4-enine + A + 2 H2O => an N-acyleicosasphinganine + AH2 + O2
preferred_name_lc: an n-acyleicosasphing-4-enine + a + 2 h2o => an n-acyleicosasphinganine + ah2 + o2
label: an N-acyleicosasphing-4-enine + A + 2 H2O => an N-acyleicosasphinganine + AH2 + O2
label_lc: an n-acyleicosasphing-4-enine + a + 2 h2o => an n-acyleicosasphinganine + ah2 + o2