You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[2-[[1-(3-chlorophenyl)-5-[(1-methylcyclopropyl)methoxy]-6-oxopyridazin-4-yl]-ethylamino]ethylsulfamoylmethyl]-N'-hydroxybenzenecarboximidamide by IUPAC nomenclature, provide its molecular formula.
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C27H33ClN6O5S
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