You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-(2,3-dihydroindol-1-yl)-2-[[4-methyl-5-(2-methylfuran-3-yl)-1,2,4-triazol-3-yl]sulfanyl]propan-1-one .
user
C19H20N4O2S
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