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)-2,15,17,29-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-27-[2-oxo-2-[2-(pyridine-4-carbonyl)hydrazinyl]ethoxy]-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 The above is the IUPAC name of a molecule. Write its molecular formula.
user
C45H54N4O14
assistant