[{"from": "human", "value": "Write weight-averaged molecular weight of given SMILES at room temperature and atmospheric pressure. ->  CC1=CC2=C(C(C3=CC=C(C4=CC=CC(OCC(CC)CCCC)=C4)S3)=C(C=C(C5=CC=C(C6=C7C(C(N(CC(CCCC)CC)C7=O)=O)=C(C8=CC=C(C)S8)S6)S5)S9)C9=C2C%10=CC=C(C%11=CC(OCC(CCCC)CC)=CC=C%11)S%10)S1\n"}, {"from": "gpt", "value": " 36.0\n"}]