Chymotrypsin selectively cleaves a peptide at the carboxyl side of the amino acids having an aryl sidechain. The tripeptide(s) formed on hydrolysis of the peptide, \(\mathrm{Val\text{-}Phe\text{-}Leu\text{-}Met\text{-}Tyr\text{-}Pro\text{-}Gly\text{-}Trp\text{-}Cys}\), with chymotrypsin is(are)