You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[4-[(2R,3R)-1-(4-fluorophenyl)-3-[2-(4-fluorophenyl)-2-oxoethyl]sulfanyl-4-oxoazetidin-2-yl]phenoxy]acetic acid;(2R)-2-[[2-[4-[(2R,3R)-2-(4-fluorophenyl)-3-[2-(4-fluorophenyl)-2-oxoethyl]sulfanyl-4-oxoazetidin-2-yl]phenoxy]acetyl]amino]propanoic acid by IUPAC nomenclature, provide its molecular formula.
user
C53H43F4N3O11S2
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