Integral of $$$\frac{e^{- \sin{\left(x \right)}}}{\sin{\left(x \right)} \cos^{2}{\left(x \right)}}$$$
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Find $$$\int \frac{e^{- \sin{\left(x \right)}}}{\sin{\left(x \right)} \cos^{2}{\left(x \right)}}\, dx$$$.