[{"from": "human", "value": "Write number-averaged molecular weight of given SMILES at room temperature and atmospheric pressure. ->  CC1=CC2=C(C(SC(C3=C(CCCCCCCCCC)C=C(C4=CC=C(C5=CC(CCCCCCCCCC)=C(C)S5)C6=NSN=C46)S3)=C7)=C7C8=C2C=C(OCC(CCCC)CC)C(OCC(CCCC)CC)=C8)S1\n"}, {"from": "gpt", "value": " 33.4\n"}]