You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(3Z,7E,9Z,11E,13E)-15-(diphosphanyloxy)-16-phosphanyloxyicosa-3,7,9,11,13-pentaen-6-yl]oxy-bis(phosphanyl)phosphane;[(4E,6Z,10E,12E,14Z)-9-(diphosphanyloxy)-16-phosphanyloxyicosa-4,6,10,12,14-pentaen-3-yl]oxy-bis(phosphanyl)phosphane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C40H76O6P12
assistant