You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[ethyl(prop-2-ynyl)amino]phenyl]-methylcarbamic acid;methyl-[2-[methyl(prop-2-ynyl)amino]phenyl]carbamic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H30N4O4
assistant