You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[[(3aR,6aS)-3-[(1S,2S,4S)-2-bicyclo[2.2.1]heptanyl]-5,5-dioxo-3a,4,6,6a-tetrahydrothieno[3,4-d][1,3]thiazol-2-ylidene]amino]-4-oxobutanoic acid into its molecular formula.
user
C16H22N2O5S2
assistant