\font\SILmfont={[/usr/local/texlive/2024/texmf-dist/fonts/opentype/gust/poltawski/antpoltltcond-regular.otf]:+clig;+liga;+tlig;+smcp}\SILmfont
\def\SILmfontname{AntPoltLtCond-Regular; Small Capitals}%