label: alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-Neu5Ac-(2->6)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-D-Glc + CMP + H(+) => alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-D-Glc + CMP-N-acetyl-beta-neuraminate
label_lc: alpha-neu5ac-(2->3)-beta-d-gal-(1->3)-[alpha-neu5ac-(2->6)]-beta-d-glcnac-(1->3)-beta-d-gal-(1->4)-d-glc + cmp + h(+) => alpha-neu5ac-(2->3)-beta-d-gal-(1->3)-beta-d-glcnac-(1->3)-beta-d-gal-(1->4)-d-glc + cmp-n-acetyl-beta-neuraminate