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, b, or c without using any other words.
Options:
(a) CN(C)CCCC(NC(=O)C1(N)CCCN(c2ncnc3[nH]ccc23)C1)c1ccc(Cl)cc1
(b) CN(C(=O)N1CC(c2cc(F)ccc2F)=CC1c1cccc(O)c1)C1CCNCC1
(c) C[C@@H](c1ccc(-c2ccc(F)cc2)cc1)[C@H](N)C(=O)N1CC[C@H](F)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}
3-azanyl-N-[1-(4-chlorophenyl)-4-(dimethylamino)butyl]-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidine-3-carboxamide