preferred_name: O-succinyl-L-serine + CoA => succinyl-CoA + L-serine
preferred_name_lc: o-succinyl-l-serine + coa => succinyl-coa + l-serine
label: O-succinyl-L-serine + CoA => succinyl-CoA + L-serine
label_lc: o-succinyl-l-serine + coa => succinyl-coa + l-serine