Task: Text Simplification
Input (English): its symbol is " $ " , with " rd $ " used when distinction from other pesos -lrb- or dollars -rrb- is required ; its iso 4217 code is " dop ".
Output (English): it 's symbol is " $ " , with " rd $ " used to distinguish other pesos or dollars ; it 's iso 4217 code is " dop ".