iptables translate multicast to unicast

I'm attempting to translate multicast traffic to unicast to send over the Internet.

I enabled ip forwarding and tried using the following rule:

iptables -t nat -A PREROUTING -i eth0 -d 239.0.0.0 -j DNAT --to-destination 192.0.2.1

However, the traffic is never sent out.

Is there someway to do what I'm attempting without setting up a tunnel?