Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(NCc1ccncc1)C12C[C@H]3C[C@@H](C1)CC(c1ccc(Cl)cc1)(C3)C2
[b] COc1ccc(N2CCC3(CCN(C[C@H](O)c4ccc5c(c4C)COC5=O)CC3)C2)cn1
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}
(5S,7R)-3-(4-chlorophenyl)-N-(pyridin-4-ylmethyl)adamantane-1-carboxamide