You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [(1S,4R,6S,7Z,14S,18R)-4-(hydroxymethyl)-15-methylidene-14-[(2-methylpropan-2-yl)oxycarbonylamino]-2-oxo-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-en-18-yl] 4-fluoro-1,3-dihydroisoindole-2-carboxylate .
user
C33H45FN4O6
assistant