Remote Access VPN To site To Site

Hello Everyone,

I hope that you all doing well. So my Question is that i have two ipsec tunnels one tunnel is site to site ipsec vpn between two FGT and the other tunnel is a remote access ipsec vpn to forticlient. I want my remote access clients who are connected to FGT1 to access The FGT2 Lan through the site to site tunnel.

Any Help Please, Thanks