Task: Answer the MCQ question.
Query: Which compound exhibits a 4.257% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] CCC(/C=N/NC(=O)CCCCC(=O)N/N=C/C(CC)CC)CC
[b] CCOc1ccc(N(CC(=O)NC2CCCCCC2)S(=O)(=O)c2ccccc2)cc1
[c] Cc1ccc(NC(=O)COc2ccc(Br)cn2)cc1
[d] COc1ccc(NC(=O)C2CCCN(CCCc3ccccc3)C2)cc1OCC(C)C.O=C(O)/C=C/C(=O)O
[e] CN1CCN(c2nc([N+](=O)[O-])nn2C)CC1
Answer: e. CN1CCN(c2nc([N+](=O)[O-])nn2C)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CN1CCN(c2nc([N+](=O)[O-])nn2C)CC1
CN1CCN(c2nc([N+](=O)[O-])nn2C)CC1
1-methyl-4-(2-methyl-5-nitro-1,2,4-triazol-3-yl)piperazine