Task: Answer the multiple-choice question.
Question: Which compound exhibits a 6.236\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=C(N/N=C/c1cn[nH]c1-c1ccc(Cl)cc1)c1ccc([N+](=O)[O-])cc1
[b] O=C(Nc1ccccc1)c1cc(S(=O)(=O)NCc2ccncc2)ccc1Cl
[c] CCOc1ccc(Cl)cc1S(=O)(=O)NC1CCCC1
[d] CC(=O)N1CCN(C(=O)CCc2nc3ccccc3c(=O)[nH]2)CC1
Answer: d. CC(=O)N1CCN(C(=O)CCc2nc3ccccc3c(=O)[nH]2)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#}
CC(=O)N1CCN(C(=O)CCc2nc3ccccc3c(=O)[nH]2)CC1
CC(=O)N1CCN(C(=O)CCc2nc3ccccc3c(=O)[nH]2)CC1
2-[3-(4-acetylpiperazin-1-yl)-3-oxopropyl]-3H-quinazolin-4-one