[{"from": "human", "value": "Tell me the predicted gravimetric heat capacity at 400 K of given MOF with MOF structural features and topology. ->  linker [O-]C(=O)[O-], nodes [Cd][OH2][K][OH2][Cd], [K], [Ru][Ru], topology \n"}, {"from": "gpt", "value": " 21.17976661\n"}]