[{"from": "human", "value": "Write Mn of given SMILES at room temperature and atmospheric pressure. ->  CC1=CC2=C(C(OCCCCCCCCCC=C)=C(C=C(C3=C4C(SC(C(OCC(CC)CCCC)=O)=C4F)=C(C)S3)S5)C5=C2OCCCCCCCCCC=C)S1\n"}, {"from": "gpt", "value": " 866\n"}]