Task: Answer the MCQ question.
Question: Which compound has a 0.986\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCN(CC)CC#CCC(C)(c1ccccc1)c1ccccc1.Cl
(b) O=C(Nc1cccc(C(=O)N2CCCC2)c1)c1ccccc1Cl
Answer: b. O=C(Nc1cccc(C(=O)N2CCCC2)c1)c1ccccc1Cl
{#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(Nc1cccc(C(=O)N2CCCC2)c1)c1ccccc1Cl
O=C(Nc1cccc(C(=O)N2CCCC2)c1)c1ccccc1Cl
2-chloro-N-[3-(pyrrolidine-1-carbonyl)phenyl]benzamide