You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 3-[5-[[7-(2,2-dimethylpropanoyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl]methyl]thiophen-2-yl]-2-isocyano-N,N-dimethylprop-2-enamide is given. What is its corresponding molecular formula?
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C22H23N5O2S
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