You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-(4-aminophenyl)sulfonyl-2-chlorophenyl]-3,3,3-trifluoro-2-hydroxy-2-methylpropanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H14ClF3N2O4S
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