Hi,
Please feel to try following script after new RC object import:
newRCLayer = LayerManager.newLayer();
styleNameLong = $.style;
styleNameArray = filterString(styleNameLong) "\\";
styleName = styleNameArray[styleNameArray.count];
newRCLayer.setName styleName;
newRCLayer.addNode $;
$.name = styleName;
It creates a new layer & moves there the RC object, checks the style name (& trims it, when needed) and renames this layer and RC object correspondingly.
Hope you'll find it useful.
Best regadrs,