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What is the molecular formula of the molecule (1R,3E,7E,18S)-11,18,22-trihydroxy-8-(hydroxymethyl)-4,19,19-trimethyl-20-oxatetracyclo[11.7.1.110,14.01,16]docosa-3,7,10,12,14(22),16-hexaene-15,21-dione ?
user
C25H28O7
assistant