serotonin + octadecanoyl-CoA <=> N-octadecanoyl-serotonin + CoA + H(+)
serotonin + octadecanoyl-coa <=> n-octadecanoyl-serotonin + coa + h(+)
serotonin + octadecanoyl-CoA <=> N-octadecanoyl-serotonin + CoA + H(+)
serotonin + octadecanoyl-coa <=> n-octadecanoyl-serotonin + coa + h(+)