You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(4R,4aS,7S,7aR,12bS)-3-(cyclopropylmethyl)-4a,9-dihydroxy-1,2,4,5,6,7,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl]-3-(1H-pyrazol-4-yl)propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H32N4O4
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