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 1-(2,2-diphenylethyl)-3-(imidazo[2,1-b][1,3]thiazol-6-ylmethyl)-2-methylguanidine is given. What is its corresponding molecular formula?
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C22H23N5S
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