[{"from": "human", "value": "What is Mw of given SMILES at normal measurement conditions.? ->  CC1=CC(CCCCCCCCCCCCCC)=C(C2=CC3=C(S2)C=C(C4=C(CCCCCCCCCCCCCC)C=C(C)S4)S3)S1\n"}, {"from": "gpt", "value": " 46.2\n"}]