Expansion problem!!

Algebra Level 5

If the last term in the binomial expansion of $\left( 2^{1/3}-\frac{1}{\sqrt{2}} \right)^{n}$ is $\left( \frac{1}{3^{\frac{5}{3}}} \right)^{\log_{3}{8}}$ , then what will the 5th term be?

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