preferred_name: malonyl-[ACP] + acetate => acetyl-[ACP] + malonate
preferred_name_lc: malonyl-[acp] + acetate => acetyl-[acp] + malonate
label: malonyl-[ACP] + acetate => acetyl-[ACP] + malonate
label_lc: malonyl-[acp] + acetate => acetyl-[acp] + malonate