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system
Provide the molecular formula for the IUPAC named substance N-phenyl-N-spiro[fluorene-9,2'-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,9,11,13-heptaene]-3-yl-14-oxatetracyclo[13.4.0.02,7.08,13]nonadeca-1(19),2,4,6,8(13),9,11,15,17-nonaen-12-amine .
user
C51H33NO
assistant