You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(3-aminophenyl)-2-(1-benzyl-3,5-dioxo-2-phenyl-1,2,4-triazolidin-4-yl)-2-chloro-4,4-dimethyl-3-oxopentanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H28ClN5O4
assistant