obsolete caffeoyl-CoA:3-O-glucosyl-5-O-(caffeoylglucoside-3'-O-glucoside) 3'-O-hydroxycinnamoyltransferase activity (obsolete GO:0102817)
OBSOLETE. Catalysis of the reaction: delphinidin 3-O-glucosyl-5-O-(caffeoylglucoside-3'-O-glucoside) + caffeoyl-CoA = gentiodelphin + coenzyme A.