label: N-(2-(triphenylmethyl)thioethyl)-3-aza-19-ethyloxycarbonyl-3-(2-(triphenylmethyl)thioethyl)octadecanoate
label_lc: n-(2-(triphenylmethyl)thioethyl)-3-aza-19-ethyloxycarbonyl-3-(2-(triphenylmethyl)thioethyl)octadecanoate