Task: Answer the multiple-choice question.
Query: Which compound exhibits a 13.073\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) COc1ccccc1OCCOCCn1cnc2ccccc2c1=O
(b) O=C(CN1C(=O)NC(Cc2c[nH]c3ccccc23)C1=O)NCCc1ccccc1
(c) O=C(CC1Oc2ccccc2NC1=O)NCCCN1CCOCC1
(d) COc1ccc(CC(=O)O/N=C(\N)Cc2ccc([N+](=O)[O-])cc2)cc1
(e) COC(=O)c1cc(S(=O)(=O)NCC2CCN(Cc3ccc(F)cc3)CC2)cn1C
Answer: b. O=C(CN1C(=O)NC(Cc2c[nH]c3ccccc23)C1=O)NCCc1ccccc1
{#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(CN1C(=O)NC(Cc2c[nH]c3ccccc23)C1=O)NCCc1ccccc1
O=C(CN1C(=O)NC(Cc2c[nH]c3ccccc23)C1=O)NCCc1ccccc1
2-[4-(1H-indol-3-ylmethyl)-2,5-dioxoimidazolidin-1-yl]-N-(2-phenylethyl)acetamide