[{"from": "human", "value": "Given SMILES, write its Mw at room temperature and atmospheric pressure. ->  CC(S1)=CC2=C1C(C3=CC=C(C[C@H](CCCC)CC)S3)=C(C=C(C4=CC=C(C5=C6C(C=C(S(=O)(CC(CCCCCC)CCCCCCCC)=O)S6)=C(C7=CC=C(C)S7)S5)S4)S8)C8=C2C9=CC=C(C[C@@H](CCCC)CC)S9\n"}, {"from": "gpt", "value": " 125.0\n"}]