Task: Answer the MCQ question.
Question: Which compound exhibits a 2.797\% human ether-à-go-go related gene (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] COc1ccc(-c2ccc(OC)c([C@H]3[C@@H]4C=CCC[C@@]4(C)C(=O)N3Cc3ccccc3)c2)cc1OC
[b] CCC(=O)Nc1nc2ccccc2n1Cc1ccccc1
[c] COc1ccc(N(CC(=O)Nc2cc(OC)ccc2OC)S(C)(=O)=O)cc1
[d] Cc1cc(N2CCOCC2)n2ncc(-c3ccc(Cl)cc3)c2n1
Answer: b. CCC(=O)Nc1nc2ccccc2n1Cc1ccccc1
{#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#}
CCC(=O)Nc1nc2ccccc2n1Cc1ccccc1
CCC(=O)Nc1nc2ccccc2n1Cc1ccccc1
N-(1-benzylbenzimidazol-2-yl)propanamide