Task: Please answer the multiple choice question.
Question: Which molecules are 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]1CNCC[C@@]12OCc1cc(F)c(F)cc12)N(Cc1nccc2ccccc12)C1CC1
(b) Fc1ccc2[nH]c(-c3ccccc3)c([C@@H]3C[NH2+]CC[C@@H]3F)c2c1
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}
5-fluoranyl-3-[(3R,4S)-4-fluoranylpiperidin-1-ium-3-yl]-2-phenyl-1H-indole