Task: Answer the multiple-choice question.
Question: Which compound exhibits a 4.980\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] C=CC(=O)Oc1ccc(N2Cc3ccccc3C2=O)cc1
[b] C/C(=N\NC(=O)CC#N)c1cc2ccccc2oc1=O
[c] COC(=O)c1ccc(S(=O)(=O)N2CCN(C(c3ccccc3)c3ccccc3)CC2)n1C
Answer: c. COC(=O)c1ccc(S(=O)(=O)N2CCN(C(c3ccccc3)c3ccccc3)CC2)n1C
{#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#}
COC(=O)c1ccc(S(=O)(=O)N2CCN(C(c3ccccc3)c3ccccc3)CC2)n1C
COC(=O)c1ccc(S(=O)(=O)N2CCN(C(c3ccccc3)c3ccccc3)CC2)n1C
methyl 5-(4-benzhydrylpiperazin-1-yl)sulfonyl-1-methylpyrrole-2-carboxylate