You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule (6R)-3-(methoxymethyl)-8-oxo-7-[[2-(1,1,2-trifluoroethylsulfonyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid ?
user
C13H15F3N2O7S2
assistant