You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(4-chloro-1,3-benzothiazol-2-yl)-4-(2,3-dihydroindol-1-ylsulfonyl)-N-[3-(dimethylamino)propyl]benzamide;hydrochloride into molecular formula.
user
C27H28Cl2N4O3S2
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