You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-methyl-N-[5-[[(2-methylphenyl)-phenylmethyl]sulfamoyl]-1,3,4-thiadiazol-2-yl]propanamide ?
user
C20H22N4O3S2
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