[{"from": "human", "value": "Write number-averaged molecular weight of given SMILES at normal measurement conditions.. ->  CC1=CC(CC(CCCC)CC)=C(C#CC#CC2=C(CC(CC)CCCC)C=C(C3=CC=C(C(N(CC(CCCCCC)CCCC)C4=O)=C5C4=C(C6=CC=C(C)S6)N(CC(CCCC)CCCCCC)C5=O)S3)S2)S1\n"}, {"from": "gpt", "value": " 53.8\n"}]