What is the simplest radical form of the expression?

What is the simplest radical form of the expression?

(8x^5y^3)^2/3

 

• \(64x^7y^4\sqrt{}xy\)
• \(128x^7y^4\sqrt{}2xy\)
• \(4x^3\sqrt[3]{}xy^2\)
• \(4x^3y^2\sqrt[3]{}x\)