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: CN1CCCC(c2nc3ccccc3n2COc2ccccc2)C1
b: CC(C)c1cc(C(F)(F)F)cc(COCC2(c3ccc(F)cc3)CCN(C)CC2)n1
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}
2-(1-methylpiperidin-3-yl)-1-(phenoxymethyl)benzimidazole