Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] Cc1ccccc1C1CCN(C[C@@H]2CCc3cccnc3[C@@H](O)C2)CC1O
[b] O=C(O)[C@H](CC1CCC1)N1CC(CN2CCC(c3cnc4ccccn34)CC2)[C@@H](c2cccc(F)c2)C1
[c] c1cncc(OC[C@H]2CNCCN2c2nc3ncccc3o2)c1
[d] C[C@@H](c1ccc(Br)cc1)N1CC[C@](CCC(N)=O)(c2ccc(F)cc2)OC1=O
Answer: a, c
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-[(2R)-2-(pyridin-3-yloxymethyl)piperazin-1-yl]-[1,3]oxazolo[4,5-b]pyridine