[{"from": "human", "value": "What is Mn of given SMILES at normal measurement conditions.? ->  CC1=CC=C(C2=C3C(SC(CCCCCCCC)=C3)=C(C4=CC=C(C5=C6C(C(N(CC(CC)CCCC)C6=O)=O)=C(C)S5)S4)C7=C2SC(CCCCCCCC)=C7)S1\n"}, {"from": "gpt", "value": " 28.5\n"}]