You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,3R)-1-[(2S)-2-[[(2S)-1-[cyclopropylmethyl(methyl)amino]-3-methyl-1-oxobutan-2-yl]carbamoylamino]-3,3-dimethylbutanoyl]-3-propan-2-yl-N-(sulfanylmethyl)pyrrolidine-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H47N5O4S
assistant