Task: Answer the MCQ question.
Question: Which compound exhibits a 12.837\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] COc1ccccc1NC(=O)C1CCCN1S(=O)(=O)c1ccc(Cl)cc1
[b] Cc1cc(S(=O)(=O)Nc2ccc3c(c2)n(C)c(=O)n3C)ccc1F
[c] O=C(C1CCN(S(=O)(=O)c2ccc(Br)s2)CC1)N1CCN(c2ccccc2)CC1
[d] CCc1cc2c(=O)c(-c3nc4ccccc4n3C)c(C)oc2cc1OC(C)=O
[e] COc1ccc(CNC(=O)c2c(O)c3cc(OC)c(OC)cc3[nH]c2=O)cc1OC
Answer: c. O=C(C1CCN(S(=O)(=O)c2ccc(Br)s2)CC1)N1CCN(c2ccccc2)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#}
O=C(C1CCN(S(=O)(=O)c2ccc(Br)s2)CC1)N1CCN(c2ccccc2)CC1
O=C(C1CCN(S(=O)(=O)c2ccc(Br)s2)CC1)N1CCN(c2ccccc2)CC1
[1-(5-bromothiophen-2-yl)sulfonylpiperidin-4-yl]-(4-phenylpiperazin-1-yl)methanone