[{"from": "human", "value": "What is weight-averaged molecular weight of given SMILES at normal measurement conditions.? ->  CC1=C(CCCCCCCC)C(CCCCCCCC)=C(C2=CC=C(C3=CC=C(C)S3)S2)S1\n"}, {"from": "gpt", "value": " 24.0\n"}]