Compounds Containing Nitrogen

A compound \((x)\) with molar mass \(108 \mathrm{~g} \mathrm{~mol}^{-1}\) undergoes acetylation to give product with molar mass \(192 \mathrm{~g} \mathrm{~mol}^{-1}\). The number of amino groups in the compound \((x)\) is ___________.