preferred_name: O-acetyl-L-homoserine + CoA => L-homoserine + acetyl-CoA
preferred_name_lc: o-acetyl-l-homoserine + coa => l-homoserine + acetyl-coa
label: O-acetyl-L-homoserine + CoA => L-homoserine + acetyl-CoA
label_lc: o-acetyl-l-homoserine + coa => l-homoserine + acetyl-coa