You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-2-(4-hydroxyphenyl)-N-[4-[2-(methylamino)ethoxy]phenyl]-3-(3-methylphenyl)pent-2-enamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H30N2O3
assistant