\font\SILmfont={[/usr/local/texlive/2024/texmf-dist/fonts/opentype/public/fira/FiraSans-ThinItalic.otf]:+clig;+liga;+tlig;+smcp}\SILmfont
\def\SILmfontname{Fira Sans Thin Italic; Small Capitals}%
