label: Lc4Cer + GDP-beta-L-fucose => alpha-L-fucosyl-(1->2)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide + GDP + H(+)
label_lc: lc4cer + gdp-beta-l-fucose => alpha-l-fucosyl-(1->2)-beta-d-galactosyl-(1->3)-n-acetyl-beta-d-glucosaminyl-(1->3)-beta-d-galactosyl-(1->4)-beta-d-glucosyl-(1<->1')-ceramide + gdp + h(+)