Task: Please answer the multiple choice question.
Question: Which molecules are 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) CC(=O)N(C)C1CCC([C@H](C)[C@H](N)C(=O)N2CC[C@H](F)C2)CC1.Cl
b) N#Cc1ccc(Cn2cncc2CN[C@H]2CCN(C(=O)c3cncc(Br)c3)C2=O)cc1
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}
4-[[5-[[[(3S)-1-(5-bromopyridine-3-carbonyl)-2-oxopyrrolidin-3-yl]amino]methyl]imidazol-1-yl]methyl]benzonitrile