(Glc)3 (GlcNAc)2 (Man)9 (PP-Dol)1[r] + [protein]-L-asparagine[r] = (alpha-D-Glucosyl)3-(alpha-D-mannosyl)8-beta-D-mannosyl-diacetylchitobiosyl-L-asparagine (protein)[r] + dolichyl-diphosphate[r] + H+[r] — reaction