\[ y'(x)=\frac {(-\text {Ci}(x)+y(x)-\log (x))^2+\cos (x)}{x} \] ✓ Mathematica : cpu = 0.601298 (sec), leaf count = 27
\[\left \{\left \{y(x)\to \text {Ci}(x)+\frac {x^2}{-\frac {x^2}{2}+c_1}+\log (x)+1\right \}\right \}\] ✓ Maple : cpu = 0.267 (sec), leaf count = 27
\[\left \{y \left (x \right ) = \Ci \left (x \right )+\ln \left (x \right )+\frac {-c_{1} x^{2}+1}{c_{1} x^{2}+1}\right \}\]