\[\large \displaystyle \int_0^1 \dfrac{\ln (1-x) }{x} \, dx\] If the integral above can be expressed as \( -\dfrac AB \pi^C \), where \(A,B\) and \(C\) are positive integers with \(A\), and \(B\) being coprime integers, find \(A+B+C\).

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