17,18-epoxy-17-hydroxycur-19-ene + malonyl-CoA = prestrychnine + CoA
17,18-epoxy-17-hydroxycur-19-ene + malonyl-coa = prestrychnine + coa
"17,18-epoxy-17-hydroxycur-19-ene N-malonyltransferase"
"17,18-epoxy-17-hydroxycur-19-ene n-malonyltransferase"