Your answer (back extraction) is

If the compound oiled out, back extraction* is the best method to isolate the crude organic compound from the aqueous solution.

The organic compound will be extracted from the aqueous phase back into the organic phase.

You have placed the aqueous solution of 2-naphthol in the separatory funnel, and added about 1/2 volume of dichloromethane*. Two layers are formed.

Which is the aqueous layer?

Top layer
Bottom layer