You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[2-[5-(2-methoxyethoxy)-7-(methylamino)-6-(2-sulfanylthiophen-3-yl)-1H-indol-2-yl]-4,5-dihydro-1,3-thiazol-5-yl]acetamide into its molecular formula.
user
C21H24N4O3S3
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