[{"from": "human", "value": "Given SMILES, write its Mn at normal measurement conditions.. ->  CC1=CC2=C(C(OCC(CCCC)CC)=C(C=C(C3=CC=C(C4=C(OCCCCCCCC)C(OCCCCCCCC)=C(C5=CC=C(C)O5)C6=NON=C64)O3)S7)C7=C2OCC(CC)CCCC)S1\n"}, {"from": "gpt", "value": " 3.43\n"}]