Light Sourdough Multigrain Bread

Ingredients List:

3-days Sourdough:

150g bread flour
1 tsp instant yeast
160g water
a pinch sugar

Main Dough:

150g baguette flour
150g bread flour
1 1/2 tsp instant yeast
3/4 tsp seasalt
20g brown sugar
140g water
20g olive oil
20g Malibu rum

1/2 tsp crushed fennel

1/2 caraway seeds

1/4 tsp white pepper