You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2S,3S,4S,5S)-2-[4-(4-bromo-2,3-dichloroanilino)-6-methoxyquinazolin-7-yl]oxy-5-methoxyhexane-1,3,4,6-tetrol into its molecular formula.
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C22H24BrCl2N3O7
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