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What is the molecular formula of the molecule (E)-N-[(4R,4aS,7S,7aR,12bS,13S)-3-(cyclopropylmethyl)-4a,9,13-trihydroxy-1,2,4,5,6,7,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl]-3-(furan-3-yl)-N-methylprop-2-enamide ?
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C28H32N2O6
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