[{"from": "human", "value": "Write Mn of given SMILES at normal measurement conditions.. ->  CC1=C(CC(CCCCCCCC)CCCCCCCCCC)C=C(C2=CC3=C(C(SC(C4=CC(CC(CCCCCCCCCC)CCCCCCCC)=C(C5=CC=C(C)S5)S4)=C6)=C6C7=NON=C73)S2)S1\n"}, {"from": "gpt", "value": " 31.3\n"}]