You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as [2-[2-(8-acetyloxy-6-methoxycarbonyl-9,10-dioxoanthracen-1-yl)oxyethylsulfanyl]-1-phosphonoethyl]phosphonic acid using the IUPAC nomenclature.
user
C22H22O13P2S
assistant