label: a UDP-3-O-[(3R)-3-hydroxyacyl]-alpha-D-glucosamine + a (3R)-hydroxyacyl-[ACP] => a UDP-2-N,3-O-bis[(3R)-3-hydroxyacyl]-alpha-D-glucosamine + holo-[ACP] + H(+)
label_lc: a udp-3-o-[(3r)-3-hydroxyacyl]-alpha-d-glucosamine + a (3r)-hydroxyacyl-[acp] => a udp-2-n,3-o-bis[(3r)-3-hydroxyacyl]-alpha-d-glucosamine + holo-[acp] + h(+)