[{"from": "human", "value": "What is nickname of given SMILES? ->  CC1=CC2=C(C(SC(C)=C3)=C3C(C4=CC=C(CC(CCCCCCCC)CCCCCC)S4)=C2C5=CC=C(CC(CCCCCC)CCCCCCCC)S5)S1\n"}, {"from": "gpt", "value": " HMPBDT\n"}]