label: a ganglioside GT1b (d18:1(4E)) + CMP-N-acetyl-beta-neuraminate => a ganglioside GQ1balpha (d18:1(4E)) + CMP + H(+)
label_lc: a ganglioside gt1b (d18:1(4e)) + cmp-n-acetyl-beta-neuraminate => a ganglioside gq1balpha (d18:1(4e)) + cmp + h(+)