You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[(2R,3R,5S)-3-[[(2R,3R,4S,5S)-3-[[(2R,3R,4S,5S)-3-[[(2R,3R,5S)-3-[[(2R,4R,5R)-3-[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxy-5-(2-hydroxy-4-iminopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxy-5-(6-hydroxy-2-imino-3H-purin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxy-5-(2-hydroxy-4-iminopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxy-5-(6-hydroxy-2-imino-3H-purin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-hydroxy-5-methyl-2-oxopyrimidin-1-yl)oxolan-2-yl]methyl]-5-ethyl-8-oxo-[1,3]dioxolo[4,5-g]quinoline-7-carboximidic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C71H84N25O42P5
assistant