hexanoate + 1-octadecanoyl-sn-glycero-3-phosphocholine + H(+) => 1-octadecanoyl-2-hexanoyl-sn-glycero-3-phosphocholine + H2O
hexanoate + 1-octadecanoyl-sn-glycero-3-phosphocholine + h(+) => 1-octadecanoyl-2-hexanoyl-sn-glycero-3-phosphocholine + h2o