putrescine + acetyl-CoA => N-acetylputrescine + CoA + H(+)
putrescine + acetyl-coa => n-acetylputrescine + coa + h(+)
putrescine + acetyl-CoA => N-acetylputrescine + CoA + H(+)
putrescine + acetyl-coa => n-acetylputrescine + coa + h(+)