You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (1S,3R,6S)-6-[[(5S)-4,5-dihydroxy-4-(hydroxymethyl)-3a,5,6,6a-tetrahydro-3H-cyclopenta[d][1,3]oxazol-2-ylidene]amino]-4-ethylcyclohex-4-ene-1,2,3-triol .
user
C15H24N2O7
assistant