Task: Answer the MCQ question.
Question: Which drug has a -21.014% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] COc1ccc(CCNC(=O)C(=O)NCCOc2ccccc2)cc1OC
[b] Cc1ccc(N(C)C(=O)N2CCN(S(=O)(=O)c3ccc4ccccc4c3)CC2)cc1
[c] c1ccc(-n2cnc3cc(NCc4cccs4)ccc32)cc1
[d] O=C(/C=C/c1cccc(Br)c1)Nc1nn[nH]n1
Answer: c. c1ccc(-n2cnc3cc(NCc4cccs4)ccc32)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#}
c1ccc(-n2cnc3cc(NCc4cccs4)ccc32)cc1
c1ccc(-n2cnc3cc(NCc4cccs4)ccc32)cc1
1-phenyl-N-(thiophen-2-ylmethyl)benzimidazol-5-amine