You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (2S)-2-[[(2R)-2-[[(2S)-1-[(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]hex-4-ynoyl]pyrrolidine-2-carbonyl]amino]propanoyl]amino]hex-4-ynoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H38N4O7
assistant