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) CN(C)Cc1ccc2c(c1)CC[C@H](N(C)C(=O)c1ccc(-c3ccccc3)cn1)C2
(b) Nc1nc2c(s1)CC[C@H]2C(=O)Nc1ccc(C[C@@H]2CC[C@H]([C@H](O)c3cccc(Cl)c3)N2)cc1
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}
N-[(2S)-6-[(dimethylamino)methyl]-1,2,3,4-tetrahydronaphthalen-2-yl]-N-methyl-5-phenylpyridine-2-carboxamide