[{"from": "human", "value": "What is number-averaged molecular weight of given SMILES at room temperature and atmospheric pressure? ->  CC1=CC=C(C2=C(OCCCCCCCC)C(OCCCCCCCC)=C(C3=CC=C(C4=CC=C(N(C5=CC=C(C)C=C5)C6=CC(C(F)(F)F)=CC(C(F)(F)F)=C6)C=C4)S3)C7=NON=C27)S1\n"}, {"from": "gpt", "value": " 5.46\n"}]