Task: Answer the multiple-choice question.
Query: Which drug has a 17.453\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCSc1nnc(NC(=O)CCc2ccc(OC)cc2)s1
[b] CCN1CCN(CC2CC3C=CC2C3)CC1
Answer: b. CCN1CCN(CC2CC3C=CC2C3)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCN1CCN(CC2CC3C=CC2C3)CC1
CCN1CCN(CC2CC3C=CC2C3)CC1
1-(2-bicyclo[2.2.1]hept-5-enylmethyl)-4-ethylpiperazine