\font\SILmfont={[/usr/local/texlive/2024/texmf-dist/fonts/opentype/public/newtx/TeXGyreTermesX-BoldItalic.otf]:+clig;+liga;+tlig;+pcap}\SILmfont
\def\SILmfontname{TeXGyreTermesX Bold Italic; Petite Capitals}%