preferred_name: N4-(alpha-D-Man-(1-6)-(alpha-D-Man)-(1-3)-(2-acetamido-2-deoxy-beta-D-Glu)-(1-2)-(beta-D-Manl)-(1-4)-(2-acetamido-2-deoxy-beta-D-glucopyranosyl)-(1-4)-(alpha-L-Fuc)-(1-6)-2-acetamido-2-deoxy-beta-D-Glul)-L-asparagine