\font\SILmfont={[/usr/local/texlive/2024/texmf-dist/fonts/opentype/public/cooperhewitt/CooperHewitt-Bold.otf]:+clig;+liga;+tlig;+ss01}\SILmfont
\def\SILmfontname{CooperHewitt-Bold; Stylistic Set 1}%