code: def get_reaction(self, reactants, products):
          
          return self._make_request("/reaction",
                                    payload={"reactants[]": reactants,
                                             "products[]": products}, mp_decode=False)
docs: Gets a reaction from the Materials Project.
  
          Args:
              reactants ([str]): List of formulas
              products ([str]): List of formulas
  
          Returns:
              rxn