[{"from": "human", "value": "Write the predicted gravimetric heat capacity at 400 K of given MOF with MOF structural features and topology. ->  linker [O-]C(=O)c1ccc(cc1)C(=O)[O-], nodes [Ga], [O], topology rna,pcu\n"}, {"from": "gpt", "value": " 20.06937499\n"}]