抜きにして/ 抜きにしては~れない => without; leaving out; cutting out ~ N2
抜きで => without; leaving out; cutting out ~ N2
Attached
抜く => to do something from beginning to end N2
抜きに...れない => without; leaving out; cutting out ~ N2
Conditions (necessary conditions)
... を抜きにしては => If it weren't for… N2
Confirm
~にしのびない (~に忍びない)      => cannot bring oneself (to do); unable to bear ~ N1