[{"from": "human", "value": "What is weight-averaged molecular weight of given SMILES at room temperature and atmospheric pressure? ->  CC1=CC2=C(C(C=C([Si](CCCCCCCC)(CCCCCCCC)C3=C4C=C5C(C(SC(C6=C7C(C(N(CCCCCCCC)C7=O)=O)=C(C)S6)=C8)=C8C5(C9=CC=C(CCCCC)C=C9)C%10=CC=C(CCCCC)C=C%10)=C3)C4=C%11)=C%11C2(C%12=CC=C(CCCCC)C=C%12)C%13=CC=C(CCCCC)C=C%13)S1\n"}, {"from": "gpt", "value": " 3.63\n"}]