If the incentre of an equilateral triangle is $(1,1)$ and the equation of its one side is $3x+4y+3=0$, then the equation of the circumcircle of this triangle is :

Question

$\begin{array}{1 1} x^2+y^2-2x-2y-2=0 \\ x^2+y^2-2x-2y+2=0 \\ x^2+y^2-2x-2y+2=0 \\ x^2+y^2-2x-2y-7=0 \end{array} $