1-[2-[3-[[1-(4-Ethoxycarbonylpiperazin-1-yl)-5-[(2-methylpropan-2-yl)oxy]-1,5-dioxopentan-2-yl]carbamoyl]-1-(3-fluorophenyl)pyrazol-5-yl]oxyacetyl]pyrrolidine-2-carboxylic acid