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 N-[9-[(2R,5R)-4-[[(1R,3S,3aS)-3-[[methyl(diphenyl)silyl]methyl]-3a,4,5,6-tetrahydro-3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]oxy]-5-ethyloxolan-2-yl]purin-6-yl]benzamide into molecular formula.
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C37H41N6O4PSi
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