[{"from": "human", "value": "Given SMILES, write its weight-averaged molecular weight at room temperature and atmospheric pressure. ->  CC1=CC2=C(C(SC(C3=CC=C(C)C4=NSN=C43)=C5)=C5[Ge]2(CC(CCCC)CC)C[C@H](CCCC)CC)S1\n"}, {"from": "gpt", "value": " 12.4\n"}]