You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 4-[3-[2-[[3-(4-ethoxycarbonylpiperazin-1-yl)-2-hydroxypropoxy]methyl]-3-[2-hydroxy-3-[4-(4-methyl-1,3-dioxetan-2-yl)piperazin-1-yl]propoxy]-2-[[2-hydroxy-3-[4-(4-methyl-1,3-dioxetan-2-yl)piperazin-1-yl]propoxy]methyl]propoxy]-2-hydroxypropyl]piperazine-1-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C45H84N8O16
assistant