[{"from": "human", "value": "Write Mn of given SMILES at normal measurement conditions.. ->  CC1=CC2=C(C(OC(CCCCC)CCCCC)=C(C=C(C3=CC=C(C)C4=NON=C43)S5)C5=C2OC(CCCCC)CCCCC)S1\n"}, {"from": "gpt", "value": " 676\n"}]