[{"from": "human", "value": "What is Mw of given SMILES at room temperature and atmospheric pressure? ->  CC1=CC2=C(C(OCC(CC)CCCC)=C(C=C(C3=C4C(C(F)=C(C(C(CC)CCCC)=O)S4)=C(C)S3)O5)C5=C2OCC(CCCC)CC)O1\n"}, {"from": "gpt", "value": " 4.7\n"}]