Daniel Lee

That's asking for a grade rather than a correct, and I think that's a bit over saturated for a neutral base line.
 

 
You can go further if you want, but it just becomes hyperactive in colour, and sacrifice hue accuracy to get that level of colour.
 

 
etc

The S-Log 2 A7s image is better than the 1DC Log image imho, the 1DC sample you posted has clipping, and it's simple and easier for me to correct the A7s image.
 

 
And a bit more punchy

 
The first all you need is levels settings.
 
Rec.709 with just 1 pass of levels