You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[(Z)-[(Z)-4-amino-4-(3,4-difluorophenyl)-1,1,1-trifluoro-3-[(4-sulfamoylphenyl)methyl]but-3-en-2-ylidene]amino]-2,3-dihydro-1,3-thiazole-4-carboxylic acid into its molecular formula.
user
C21H17F5N4O4S2
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