As you follow down the setup for PBR nothing will include the public ip address.
The binding will be to the ingress interface eth1
the next hop will be the egress interface eth4
1-extended ACL is just 192.168.0.45/32
2-match group uses this ACL
3-action group is next interface eth4
4-policy uses both the match group and action group
5-bind policy to the ingress interface eth1