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What is the molecular formula of the molecule (1S,2R,5S,9Z,15S,16S,19R,20R)-7-[4-(diethylamino)phenyl]-4-[(1S)-2-hydroxy-1-phenylethyl]-14,15-dimethyl-16-phenyl-17,23-dioxa-4,7,14-triazatetracyclo[18.2.1.01,5.02,19]tricosa-9,21-diene-3,6,13,18-tetrone ?
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C44H50N4O7
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