label: a globoside GalGb4Cer (d18:1(4E)) + CMP-N-acetyl-beta-neuraminate <=> a globoside MSGG (d18:1(4E)) + CMP + H(+)
label_lc: a globoside galgb4cer (d18:1(4e)) + cmp-n-acetyl-beta-neuraminate <=> a globoside msgg (d18:1(4e)) + cmp + h(+)