You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3,6-diamino-5-cyano-4-(4-propan-2-ylphenyl)-N-(4-pyridin-2-yl-1,3-thiazol-2-yl)thieno[2,3-b]pyridine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C26H21N7OS2
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