extra particles within the jet that are incompatible with the reconstructed decay mode is used as a criterion to discriminate jets from decays. A multivariate-analysis (MVA) based discriminant [@Sirunyan:2018pgf], which contains isolation as well as lifetime information, is used to suppress the rate for quark and gluon jets to be misidentified as candidates. We employ a relaxed (“very loose") working point of this discriminant as a preselection requirement for the candidates selected in the [$\tauh\tauh$]{}analysis, as well as in the extrapolation used to estimate the contributions of events to the background in which quark or gluon jets are misidentified as candidates. This working point corresponds to an efficiency of $\approx$70% for a genuine , and a misidentification rate of $\approx$1% for quark or gluon jets. A DNN is used to improve the discrimination of signal candidates from background, as discussed in more detail below. Two working points are used in the [$\ell\tauh$]{}analysis: a “very tight" working point for selecting signal candidates that provides stringent background rejection, and a “loose" working point for the extrapolation procedure to estimate the misidentified background that provides higher efficiency and less background rejection. These working points, respectively, typically have efficiencies close to 45 and 67% 