You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (1R,2R,4S,9R,11R,12S,14R,16R,19R,20R,22S)-2-[(1R,2R)-1-[(2R,3S,3aR,6R,8aR)-3-methyl-6-propyl-3,3a,4,5,6,7,8,8a-octahydro-2H-cyclohepta[b]furan-2-yl]-1,2-dihydroxypropan-2-yl]-16-(6-aminopiperidin-3-yl)-11,12,22-trihydroxy-1-methylhexacyclo[17.3.1.04,22.07,21.09,14.014,20]tricosa-7(21),17-dien-8-one is given. What is its corresponding molecular formula?
user
C45H70N2O7
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