You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[2-[4-[3-[(4-chlorophenyl)methyl]-1,2,4-thiadiazol-5-yl]piperazin-1-yl]ethyl]-3-(2-methoxyphenyl)urea by IUPAC nomenclature, provide its molecular formula.
user
C23H27ClN6O2S
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