You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[(3R,3aR,6aR)-5-cyclopropylsulfonyl-2,3,3a,4,6,6a-hexahydrofuro[2,3-c]pyrrol-3-yl]methyl]pyridin-2-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H21N3O3S
assistant