can you estimate the small molecule space size

The exact size of the small molecule space is difficult to estimate precisely due to the vast number of possible molecules. However, it is believed to be extremely large. The number of potential small organic molecules is estimated to be in the range of 10^60 to 10^180, depending on various factors such as molecular weight, number of atoms, and chemical constraints. This enormous range highlights the immense diversity and complexity of the small molecule space.