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 other words.
Options:
a.) O=C([C@@H]1C[C@H](N2CCN(c3ncccn3)CC2)CN1)N1C[C@@H](F)[C@H](F)C1
b.) Cn1cc(-c2ccncc2)c(-c2ccc(F)cc2)n1
Answer: a, 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}
4-[3-(4-fluorophenyl)-1-methylpyrazol-4-yl]pyridine