You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-[(3S)-1-[6-(2,2-diphenylethylamino)-9-[(1R,2S,3R,4S)-4-(5-ethyltetrazol-2-yl)-2,3-dihydroxycyclopentyl]purin-2-yl]pyrrolidin-3-yl]-3-pyridin-4-ylurea into molecular formula.
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C37H41N13O3
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