[{"from": "human", "value": "Given SMILES, write its Mn at room temperature and atmospheric pressure. ->  CC1=CC=C(S1)C(S2)=CC3=C2C(OCC(CCCC)CC)=C(C=C(C)S4)C4=C3OCC(CCCC)CC\n"}, {"from": "gpt", "value": " 15.5\n"}]