label: (R)-2-hydroxy-4-methylpentanoate + 4-methylpentanoyl-CoA <=> (R)-2-hydroxy-4-methylpentanoyl-CoA + 4-methylpentanoate
label_lc: (r)-2-hydroxy-4-methylpentanoate + 4-methylpentanoyl-coa <=> (r)-2-hydroxy-4-methylpentanoyl-coa + 4-methylpentanoate