[{"from": "human", "value": "Write weight-averaged molecular weight of given SMILES at room temperature and atmospheric pressure. ->  CC1=CC=C(C2=C3C(C(N2CC(CC)CCCC)=O)=C(C4=CC=C(C5=CC(N(CC(CCCCCC)CCCCCCCC)C(C6=CC(C(SC(C)=C7)=C7N(CC(CCCCCCCC)CCCCCC)C8=O)=C8C=C69)=O)=C9S5)S4)N(CC(CCCC)CC)C3=O)S1\n"}, {"from": "gpt", "value": " 72.8\n"}]