x^exp(ln(y)*exp((-x*LambertW(-ln(y)/x*exp(ln(ln(x)/ln(y))/x))+ln(ln(x)/ln(y)))/x))-exp((-x*LambertW(-ln(y)/x*exp(ln(ln(x)/ln(y))/x))+ln(ln(x)/ln(y)))/x)^(x^y)

x1= (4.039760831390928810096443230122786460497 - 3.794516696260006267408154939005426227609j)
y1= (2.764005926356850384451036006794311106205 + 0.0j)
z1= (1.273990994985239416952018723391988170796 + 0.2830754921068781180566923204291057573632j)