Task: Answer the MCQ question.
Query: Which drug exhibits a 17.680\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCc1nc2ccc(Cc3ccc4nc(CC)[nH]c4c3)cc2[nH]1
b: O=C(O)c1cc(N/N=C/c2cccnc2)ccc1Cl
c: CCOC(=O)C1(S(=O)(=O)c2ccccc2)CCN(Cc2ccccc2)CC1
d: C=CCNC(=S)Nc1ccc(N2CCOCC2)c(S(=O)(=O)Nc2ccccc2Cl)c1
Answer: a. CCc1nc2ccc(Cc3ccc4nc(CC)[nH]c4c3)cc2[nH]1
{#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#}
CCc1nc2ccc(Cc3ccc4nc(CC)[nH]c4c3)cc2[nH]1
CCc1nc2ccc(Cc3ccc4nc(CC)[nH]c4c3)cc2[nH]1
2-ethyl-6-[(2-ethyl-3H-benzimidazol-5-yl)methyl]-1H-benzimidazole