[{"from": "human", "value": "Given SMILES, write its weight-averaged molecular weight at room temperature and atmospheric pressure. ->  CC1=CC2=C(C3=C(CCCCCCCCCC)C=C(CCCCCCCCCC)S3)C(S4)=C(C(C5=C(CCCCCCCCCC)C=C(CCCCCCCCCC)S5)=C2S1)C=C4C6=CC=C(S6)C7=CC8=C(C=C(C9=CC=C(C)S9)C%10=NN(CCCCCCCC)N=C%108)C%11=NN(CCCCCCCC)N=C7%11\n"}, {"from": "gpt", "value": " 101.1\n"}]