diff --git a/src/main/scala/coop/rchain/rabbit2rho/gentran/IdocSchemaParser.scala b/src/main/scala/coop/rchain/rabbit2rho/gentran/IdocSchemaParser.scala
index 7ef8f02..6180154 100644
--- a/src/main/scala/coop/rchain/rabbit2rho/gentran/IdocSchemaParser.scala
+++ b/src/main/scala/coop/rchain/rabbit2rho/gentran/IdocSchemaParser.scala
@@ -25,7 +25,7 @@ object ParseInput extends IOApp {
                  .map(idoc2RhoList(_, schema._2, schema._1))
                  .compile
                  .toList
-      _ = println(parsed.head)
+      _ = println(s"[${parsed.head.mkString(", ")}]")
     } yield ExitCode.Success
   }
 }
diff --git a/src/main/scala/coop/rchain/rabbit2rho/gentran/IdocTools.scala b/src/main/scala/coop/rchain/rabbit2rho/gentran/IdocTools.scala
index 8505df4..4c9767e 100644
--- a/src/main/scala/coop/rchain/rabbit2rho/gentran/IdocTools.scala
+++ b/src/main/scala/coop/rchain/rabbit2rho/gentran/IdocTools.scala
@@ -58,8 +58,12 @@ object IdocTools {
       id2Tag: String => String
   ): List[String] =
     parseIdoc(idoc, schema, id2Tag).compile.toList
-      .map { case (k, v) => (k, v) }
-      .map(json.writeValueAsString)
+      .map {
+        case (recName, fields) =>
+          val strFields = fields.toList.map { case (k, v) => s""""${rhoName(k)}":"$v"""" }
+          s"""("${rhoName(recName)}",{${strFields.mkString(", ")}})"""
+      }
+  def rhoName(name: String): String = name.replace(":", "_colon_")
 
   def idoc2RhoMap(
       idoc: String,