You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-chloro-N-[4-(2-methyl-6-pyrazol-1-ylpyrimidin-4-yl)oxyphenyl]benzenesulfonamide using the IUPAC nomenclature.
user
C20H16ClN5O3S
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