You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-(2,4-dimethyl-1,3-thiazole-5-carbonyl)-2-(furan-2-yl)-4-hydroxy-1-[3-(1H-imidazol-3-ium-3-yl)propyl]-2H-pyrrol-5-one into molecular formula.
user
C20H21N4O4S+
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