\[ y'(x)=y(x) (\log (x)-\log (\log (y(x))))^2 \] ✓ Mathematica : cpu = 0.168847 (sec), leaf count = 53
\[\text {Solve}\left [\int _1^{y(x)}\frac {1}{K[1] \left (x \log ^2(x)-2 x \log (\log (K[1])) \log (x)+x \log ^2(\log (K[1]))-\log (K[1])\right )}dK[1]=\log (x)+c_1,y(x)\right ]\] ✓ Maple : cpu = 0.285 (sec), leaf count = 50
\[\int _{\textit {\_b}}^{y \relax (x )}\frac {1}{\textit {\_a} \left (x \ln \relax (x )^{2}-2 \ln \left (\ln \left (\textit {\_a} \right )\right ) \ln \relax (x ) x +\ln \left (\ln \left (\textit {\_a} \right )\right )^{2} x -\ln \left (\textit {\_a} \right )\right )}d \textit {\_a} -\ln \relax (x )-c_{1} = 0\]