preferred_name: N-{alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->6)]-alpha-Man-(1->6)-[alpha-Man-(1->6)-[alpha-Man-(1->2)-alpha-Man-(1->2)]-alpha-Man-(1->3)]-beta-Man-(1->4)-beta-GlcnAc-(1->4)-beta-GlcNAc}-L-Asn residue