preferred_name: 15alpha-stemmadenine + acetyl-CoA => O-acetyl-15alpha-stemmadenine + CoA
preferred_name_lc: 15alpha-stemmadenine + acetyl-coa => o-acetyl-15alpha-stemmadenine + coa
label: 15alpha-stemmadenine + acetyl-CoA => O-acetyl-15alpha-stemmadenine + CoA
label_lc: 15alpha-stemmadenine + acetyl-coa => o-acetyl-15alpha-stemmadenine + coa