Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1cnc2ccc(=O)n(CCN3CCC(c4nc5cc(C(F)(F)F)ccc5[nH]4)CC3)c2c1
(b) COc1cc(N)c(Cl)cc1C(=O)N[C@H]1CCN(CC2CCN(C(=O)C(C)C)CC2)C[C@H]1OC
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_blocker%}
Answer: {%multiple_choice_result}
7-methoxy-1-[2-[4-[5-(trifluoromethyl)-1H-benzimidazol-2-yl]piperidin-1-yl]ethyl]-1,5-naphthyridin-2-one