SMILES: CSCCC/C(=N\\O)/SC[C@@H](C(=O)NCC(=O)[O-])[NH3+]
Description: The molecule is a dipeptide zwitterion resulting from transfer of a proton from the carboxy to the amino group of any (E)-1-(glycyl-L-cystein-S-yl)-omega-(methylthio)alkylhydroximate; major species at pH 7.3.