Convert the IUPAC name of a molecule [2-(6-cyclohexyl-11-hydroxy-13-methyl-16-oxo-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-9,14,17-trien-8-yl)-2-oxoethyl] 2-methylpropanoate into molecular formula.