Task: Answer the MCQ question.
Query: Which drug exhibits a -2.658% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] Cc1c(NC(=O)CN2C(=O)c3ccc([N+](=O)[O-])cc3C2=O)c(=O)n(-c2ccccc2)n1C
[b] c1ccc(-c2nc(N3CCN(c4ccccc4)CC3)nc(-n3ccnc3)n2)cc1
[c] O=C(NCc1ccccn1)c1cccc(S(=O)(=O)NCc2ccccc2)c1
[d] COC(=O)c1cc(OC)nc2c1c(=O)n(C)c(=O)n2C
Answer: b. c1ccc(-c2nc(N3CCN(c4ccccc4)CC3)nc(-n3ccnc3)n2)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(-c2nc(N3CCN(c4ccccc4)CC3)nc(-n3ccnc3)n2)cc1
c1ccc(-c2nc(N3CCN(c4ccccc4)CC3)nc(-n3ccnc3)n2)cc1
2-imidazol-1-yl-4-phenyl-6-(4-phenylpiperazin-1-yl)-1,3,5-triazine