You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4R,5R)-4-[2-(benzenesulfonyl)ethyl]-2-[4-(3-hydroxypropoxy)phenyl]-5-phenyl-5H-1,3-oxazole-4-carboxylic acid into its molecular formula.
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C27H27NO7S
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