You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-tert-butyl-1-[[4-(3-ethylphenyl)phenyl]methyl]-4-(isocyanomethyl)piperidine;4-tert-butyl-1-[[4-(4-ethylphenyl)phenyl]methyl]-4-(isocyanomethyl)piperidine;4-tert-butyl-4-(isocyanomethyl)-1-[[4-[3-(methoxymethyl)phenyl]phenyl]methyl]piperidine;4-tert-butyl-4-(isocyanomethyl)-1-[[4-(3-methoxyphenyl)phenyl]methyl]piperidine;4-tert-butyl-4-(isocyanomethyl)-1-[[4-(4-methoxyphenyl)phenyl]methyl]piperidine;[3-[4-[[4-tert-butyl-4-(isocyanomethyl)piperidin-1-yl]methyl]phenyl]phenyl]methanol;4-tert-butyl-4-(isocyanomethyl)-1-[[4-[4-(trifluoromethyl)phenyl]phenyl]methyl]piperidine is the IUPAC name of a molecule. Please give its molecular formula.
user
C178H227F3N14O4
assistant