You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (3S)-4-[[(2S)-1-amino-3-cyclohexyl-1-oxopropan-2-yl]amino]-3-[[2-[ethyl(4-piperidin-4-ylbutanoyl)amino]acetyl]amino]-4-oxobutanoic acid by IUPAC nomenclature, provide its molecular formula.
user
C26H45N5O6
assistant