You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(2R,4S,6S,7R,10R,13S,14S,15S,16R,18S)-13-acetyloxy-4-ethenyl-16-hydroxy-7,15,19,20,20-pentamethyl-3,5,11-trioxapentacyclo[14.3.1.02,6.07,14.010,13]icos-1(19)-en-18-yl] (2R,3S)-3-(5-fluoropyridin-2-yl)-2-hydroxy-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoate into molecular formula.
user
C39H53FN2O11
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