label: a 1-acyl-sn-glycero-3-phosphocholine + (9Z,12Z)-octadecadienoate + H(+) => 1-acyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholine + H2O
label_lc: a 1-acyl-sn-glycero-3-phosphocholine + (9z,12z)-octadecadienoate + h(+) => 1-acyl-2-(9z,12z)-octadecadienoyl-sn-glycero-3-phosphocholine + h2o