label: a ganglioside GT1c (d18:1(4E)) + CMP-N-acetyl-beta-neuraminate = a ganglioside GQ1c (d18:1(4E)) + CMP + H(+)
label_lc: a ganglioside gt1c (d18:1(4e)) + cmp-n-acetyl-beta-neuraminate = a ganglioside gq1c (d18:1(4e)) + cmp + h(+)