\font\SILmfont={[/usr/local/texlive/2024/texmf-dist/fonts/opentype/public/montserrat/MontserratAlternates-ExtraLight.otf]:+clig;+liga;+tlig;+smcp}\SILmfont
\def\SILmfontname{Montserrat Alternates ExtraLight; Small Capitals}%