[{"from": "human", "value": "Tell me the gravimetric heat capacity at 300 K of given MOF with MOF structural features and topology and composition. ->  MOF structural features and topology: linker [O-]C(=O)c1c(cccc1C(=O)[O-])Oc1cccc(c1C(=O)[O-])C(=O)[O-], n1ccc(cc1)c1ccncc1, nodes [Ni], topology \n composition: Ni2 H22 C36 N4 O9\n"}, {"from": "gpt", "value": " 0.899570347\n"}]