preferred_name: L-valyl-tRNA(Val) + acetyl-CoA => N-acetyl-L-valyl-tRNA(Val) + CoA + H(+)
preferred_name_lc: l-valyl-trna(val) + acetyl-coa => n-acetyl-l-valyl-trna(val) + coa + h(+)
label: L-valyl-tRNA(Val) + acetyl-CoA => N-acetyl-L-valyl-tRNA(Val) + CoA + H(+)
label_lc: l-valyl-trna(val) + acetyl-coa => n-acetyl-l-valyl-trna(val) + coa + h(+)