Chocolate Mint Poke Cake

chocolate cake mix (9x13 pan size, plus water, oil, and eggs on the box to make the cake)

(14 or 14.5 ounces sweetened condensed milk)

jar (10-12 ounces hot fudge ice cream topping)

Peppermint Extract (divided)

whipped topping (thawed)

drops green food coloring

Oreos (crushed)