label: a globoside GalGb4Cer (d18:1(4E)) + UDP-N-acetyl-alpha-D-glucosamine <=> a globoside GlcNAc-GalGb4Cer (d18:1(4E)) + UDP + H(+)
label_lc: a globoside galgb4cer (d18:1(4e)) + udp-n-acetyl-alpha-d-glucosamine <=> a globoside glcnac-galgb4cer (d18:1(4e)) + udp + h(+)