Was only able to test [0] this with 3.5, but I think it will not work. This bit from the article applies:
> Crucially, this attack doesn’t attempt to use the delimiters at all. It’s using an alternative pattern which I’ve found to be very effective: trick the model into thinking the instruction has already been completed, then tell it to do something else.
[0] https://gist.github.com/Pfaufisch/df0a1a18ce1d832d7113ed1184...