You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-[(3,5-ditert-butyl-4-hydroxybenzoyl)amino]phenyl]-4-methylpiperazine-1-carboxamide;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H39ClN4O3
assistant