Problem statement: Answer the multiple choice question.
Query: Which compound has a -0.661\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCC(c1nnnn1CCc1ccccc1)N1CCC(C(N)=O)CC1
(b) O=C(NCCc1cccs1)c1ccc(Cl)c(Cl)c1
Answer: b. O=C(NCCc1cccs1)c1ccc(Cl)c(Cl)c1
{#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#}
O=C(NCCc1cccs1)c1ccc(Cl)c(Cl)c1
O=C(NCCc1cccs1)c1ccc(Cl)c(Cl)c1
3,4-dichloro-N-(2-thiophen-2-ylethyl)benzamide