You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-N-[2-[3-hydroxypropyl-[1-[[(E)-non-2-enoyl]amino]propan-2-yl]amino]propyl]non-2-enamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H51N3O3
assistant