[{"from": "human", "value": "What is weight-averaged molecular weight of given SMILES at normal measurement conditions.? ->  CC1=C(C(OC)=O)C=C(S1)C(S2)=CC3=C2C(OCC(CCCC)CC)=C(C=C(C)S4)C4=C3OCC(CCCC)CC\n"}, {"from": "gpt", "value": " 92.0\n"}]