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-[(2S,3S)-5-(2-amino-2-oxoethyl)-4-oxo-2-phenyl-2,3-dihydro-1H-1,5-benzodiazepin-3-yl]-1H-indole-2-carboxamide into molecular formula.
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C26H23N5O3
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