Setting up Cisco VPN with NAT to remote network

So I'm trying to setup a Cisco ASA 5505 for VPN to a remote network and I need to NAT my internal IP address based on their requirements.

Here are their instructions:

Their hosts:
192.168.50.83 (Surescripts Host Server)
192.168.50.85 (RxHub Host Server)
192.168.50.86 (Surescripts Host Server)
192.168.50.50 (Patient Portal Host Server)

Remote Peer IP: 66.179.80.108
Remote Network: 192.168.50.0/24 (255.255.255.0)
Your Local Network: 10.x.x.45/32 (255.255.255.255)

Clinic will need to make ACL from 10.x.x.45/32 to remote network 192.168.50.0/24

Clinic will need to NAT interesting traffic to 10.x.x.45/32 (255.255.255.255)

I have a lot of experience with Linux IPtables and IPchains, Open source firewalls like M0n0wall (monowall) etc., but not sure how to do this with Cisco.

Will spend some time figuring this out...

Any help is immensely appreciated!