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Under IUPAC nomenclature, a molecule named 6-tert-butyl-[1,3]oxazolo[4,5-c]pyridazine;7-tert-butylpyrazolo[1,5-a][1,3,5]triazine;7-tert-butylpyrazolo[1,5-b][1,2,4]triazine;7-tert-butylpyrazolo[5,1-c][1,2,4]triazine;2-tert-butylpyrazolo[1,5-d][1,2,4]triazine;6-tert-butylpyrazolo[5,1-f][1,2,4]triazine;5-tert-butylthiadiazolo[5,4-b]pyridine;6-tert-butyl-[1,2,5]thiadiazolo[3,4-b]pyridine;6-tert-butylthiadiazolo[4,5-b]pyridine;6-tert-butyl-[1,2,5]thiadiazolo[3,4-c]pyridine;6-tert-butylthiadiazolo[4,5-c]pyridine;6-tert-butylthiadiazolo[5,4-c]pyridine;2-tert-butyl-[1,3]thiazolo[4,5-b]pyrazine;3-tert-butyl-[1,2]thiazolo[4,5-b]pyrazine;3-tert-butyl-[1,2]thiazolo[5,4-c]pyridazine;6-tert-butyl-[1,3]thiazolo[4,5-c]pyridazine;6-tert-butyl-[1,3]thiazolo[5,4-c]pyridazine;3-tert-butyl-[1,2]thiazolo[4,5-d]pyridazine;2-tert-butyl-[1,3]thiazolo[4,5-d]pyrimidine;2-tert-butyl-[1,3]thiazolo[5,4-d]pyrimidine;3-tert-butyl-[1,2]thiazolo[4,5-d]pyrimidine;3-tert-butyl-[1,2]thiazolo[5,4-d]pyrimidine;3-ethyl-[1,2]thiazolo[4,5-c]pyridazine;2-propan-2-yl-[1,3]thiazolo[4,5-d]pyridazine is given. What is its corresponding molecular formula?
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C213H263N77OS18
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