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What is the molecular formula of the molecule identified by [(19S)-19-[4-[4-[bis(2-chloroethyl)amino]phenyl]butanoyloxy]-10,19-diethyl-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaen-7-yl] 4-piperidin-1-ylpiperidine-1-carboxylate ?
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C47H55Cl2N5O7
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