You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
cyclohexyl-[(2S,5S,6S,13S)-5,13-dihydroxy-6,10-dimethyl-5-[[methyl(2-phenylethyl)amino]methyl]-17-tricyclo[13.2.2.02,6]nonadeca-1(17),9,15,18-tetraenyl]methanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H53NO3
assistant