You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (E)-N-[(4R,4aS,12bS)-3-(cyclopropylmethyl)-4a,9-dihydroxy-1,2,4,5,6,7,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-5-yl]-3-(furan-3-yl)-N-methylprop-2-enamide into molecular formula.
user
C28H32N2O5
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