Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: [2H]C([2H])([2H])Oc1cc(C(O)CN2CCN(C[C@H](O)c3ccc4c(c3C)COC4=O)CC2)ncc1C#N
b: CC(=O)Nc1cccc(Nc2ncnc(N3CCc4ccccc4C3)n2)c1
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}
6-[1-hydroxy-2-[4-[(2R)-2-hydroxy-2-(4-methyl-1-oxo-3H-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-4-(trideuteriomethoxy)pyridine-3-carbonitrile