label: 2-(1-carboxy-2-(4-(2-(5-ethylpyridine-2yl)-ethoxy) phenyl)-ethyl disulfanyl)-3-(4-(2-(5-ethylpyridine-2yl)-ethoxy)) phenyl propanoic acid
label_lc: 2-(1-carboxy-2-(4-(2-(5-ethylpyridine-2yl)-ethoxy) phenyl)-ethyl disulfanyl)-3-(4-(2-(5-ethylpyridine-2yl)-ethoxy)) phenyl propanoic acid