You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(7S,9E,11S,12R,13S,14R,15S,16R,17R,18R,19E,21Z)-26-[(E)-[4-(diethoxyphosphorylmethyl)piperazin-1-yl]iminomethyl]-2,15,17,27,29-pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C47H67N4O15P
assistant