Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: N#Cc1ccc(Cn2cncc2CN(CCN2CCOCC2)[C@H]2CCN(Cc3ccccc3)C2=O)cc1
b: Cc1cccc(CN(C(=O)[C@H]2CNCC[C@@]23OCc2cc(F)c(F)cc23)C2CC2)c1C
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}
4-[[5-[[[(3S)-1-benzyl-2-oxopyrrolidin-3-yl]-(2-morpholin-4-ylethyl)amino]methyl]imidazol-1-yl]methyl]benzonitrile