Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] O=C1C=CC[C@@H]2[C@H]3CCCN4CCC[C@H](CN12)[C@H]34
[b] O=c1n(CCCN2CCN(c3cccc(Cl)c3)CC2)nc2ccccn12
[c] Nc1nc2ccc(OC(F)(F)F)cc2s1
[d] O=C([C@H](O)C1CC1)N1CC(c2cc(F)ccc2F)=C[C@@H]1c1ccccc1
Answer: b, d
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}
2-[3-[4-(3-chlorophenyl)piperazin-1-yl]propyl]-[1,2,4]triazolo[4,3-a]pyridin-3-one