Simplify the expression: (2x2y−3)4(2x^2y^{-3})^4(2x2y−3)4
16x8y−1216x^8y^{-12}16x8y−12
8x6y18x^6y^18x6y1
16x8y1216x^8y^{12}16x8y12
16x8y12\frac{16x^8}{y^{12}}y1216x8