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 additional words.
Options:
a) COCCC(=O)N1CCSC(c2nc(-c3ccc(C(=O)Nc4cc(C(F)(F)F)ccn4)cc3)c3c(N)nccn23)C1
b) COc1ccc(C(C)NC(=O)Cc2ccc(C(C)(C)C)cc2)nc1
Answer: b
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-(4-tert-butylphenyl)-N-[1-(5-methoxypyridin-2-yl)ethyl]acetamide