You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 6-[3-(1,3-benzothiazol-2-ylamino)-4-methyl-6,7-dihydro-5H-pyrido[2,3-c]pyridazin-8-yl]-3-[1-[[1-[2-(3-hydroxypropylamino)ethoxy]-6,8-dimethyl-4-tricyclo[4.3.1.13,8]undecanyl]methyl]-5-methylpyrazol-4-yl]pyridine-2-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
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C44H55N9O4S
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