2-O-sulfo-alpha,alpha-trehalose + octadecanoyl-CoA = 2-O-sulfo-2'-O-octadecanoyl-alpha,alpha-trehalose + CoA
2-o-sulfo-alpha,alpha-trehalose + octadecanoyl-coa = 2-o-sulfo-2'-o-octadecanoyl-alpha,alpha-trehalose + coa