[{"from": "human", "value": "What is number-averaged molecular weight of given SMILES at normal measurement conditions.? ->  CC1=CC2=C(OCC(CC)CCCC)C(OCC(CCCC)CC)=C3C(SC(C4=CC(SC(C5=C(OCCCCCCCC)C(OCCCCCCCC)=C(C6=CC(SC(C)=C7)=C7S6)C8=NSN=C85)=C9)=C9S4)=C3)=C2S1\n"}, {"from": "gpt", "value": " 9.6\n"}]