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What is the molecular formula of the molecule (4aR,5R)-7-chloro-1'-propan-2-yl-2'-sulfanylidenespiro[1,2,3,4,4a,6-hexahydrobenzo[c]quinolizine-5,5'-1,3-diazinane]-4',6'-dione ?
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C19H22ClN3O2S
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