[{"from": "human", "value": "What is Mw of given SMILES at normal measurement conditions.? ->  CC1=C(CCCCCCCCCCCC)C(CCCCCCCCCCCC)=C(C2=CC=C(C3=CC=C(C)S3)S2)S1\n"}, {"from": "gpt", "value": " 5.28\n"}]