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system
Provide the molecular formula for the IUPAC named substance (4S,6'R,7'R,11'S,12'R)-7-chloro-7'-hydroxy-3',11',12'-trimethyl-7'-[(1-methylimidazol-2-yl)methyl]-13',13'-dioxospiro[2,3-dihydro-1H-naphthalene-4,22'-20-oxa-13lambda6-thia-1,14-diazatetracyclo[14.7.2.03,6.019,24]pentacosa-16(25),17,19(24)-triene]-15'-one .
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C38H49ClN4O5S
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