I have a compound and it has several nitrogen atoms. I wish to know how do we differentiate between the basic and acidic nitrogens?

This is an example compound:

[![4-amino-N-(5-methyl-1,2-oxazol-3-yl)benzene-1-sulfonamide][1]][1]


  [1]: https://i.sstatic.net/lPrXsm.png