[{"from": "human", "value": "Write weight-averaged molecular weight of given SMILES at room temperature and atmospheric pressure. ->  CC1=CC2=C(C(C3=CC(C=C(CC(CC)CCCC)C=C4)=C4S3)=C(C=C(C5=CC=C(C6=C(OCC(CC(CC)CCCC)(CC(CCCC)CC)CO7)C7=C(C8=CC=C(C)C9=NSN=C89)S6)C%10=NSN=C5%10)S%11)C%11=C2C%12=CC(C=C(CC(CCCC)CC)C=C%13)=C%13S%12)S1\n"}, {"from": "gpt", "value": " 58.3\n"}]