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What is the molecular formula of the molecule (4S,8S)-6-(5-ethylthiophene-2-carbonyl)-3,17-dioxa-6,9,12,20,21,22-hexazatetracyclo[18.2.1.04,8.011,16]tricosa-1(23),11(16),12,14,21-pentaen-10-one ?
user
C22H24N6O4S
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