You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[(3aS,4R,6aR)-4-(3-cyclohexyl-3-hydroxyprop-1-enyl)-3a-hydroxy-4,5,6,6a-tetrahydro-1H-pentalen-2-yl]amino]oxypropanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H31NO5
assistant