\font\SILmfont={[/usr/local/texlive/2024/texmf-dist/fonts/truetype/production/spectral/Spectral-ExtraBoldItalic.ttf]:+clig;+liga;+tlig;+ss01}\SILmfont
\def\SILmfontname{Spectral ExtraBold Italic; Stylistic Set 1}%