preferred_name: N-acetyl-beta-D-galactosaminyl-(1->4)-alpha-N-glycoloylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acyl-sphing-4-enine(1-)