[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a salt comprising separate ammonium cations and square planar [PdCl4](2-) anions. It contains a tetrachloropalladate(2-)."}, {"from": "gpt", "value": "[NH4+1].[NH4+1].[Cl][Pd-2][Branch1][C][Cl][Branch1][C][Cl][Cl]"}]