label: 1-hexanoyl-sn-glycero-3-phosphocholine + a fatty acid + H(+) => 1-hexanoyl-2-acyl-sn-glycero-3-phosphocholine + H2O
label_lc: 1-hexanoyl-sn-glycero-3-phosphocholine + a fatty acid + h(+) => 1-hexanoyl-2-acyl-sn-glycero-3-phosphocholine + h2o