[{"from": "human", "value": "What is weight-averaged molecular weight of given SMILES at room temperature and atmospheric pressure? ->  CC1=C2C(C(N(CCCCCCCCCCCC)C2=O)=O)=C(C3=C(OCCCCCCCCCCCC)C=C(C4=CC(OCCCCCCCCCCCC)=C(C)S4)S3)S1\n"}, {"from": "gpt", "value": " 89.6\n"}]