Task: Answer the multiple-choice question.
Question: Which compound exhibits a 11.132\% 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, d, or e without using any other words.
Options:
[a] Cc1ccc(S(=O)(=O)NCCC(=O)NC2CCC(C)CC2)cc1
[b] CCN1CCN(c2ncnc3c2[nH]c2ccc(F)cc23)CC1
[c] CCOc1ccc(OCC)c(NC(=O)C(NS(=O)(=O)c2ccc3c(c2)oc(=O)n3C)C(C)C)c1
[d] COc1ccc(S(=O)(=O)Nc2ccccn2)c(C)c1C
[e] O=C(c1ccc2nsnc2c1)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
Answer: b. CCN1CCN(c2ncnc3c2[nH]c2ccc(F)cc23)CC1
{#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#}
CCN1CCN(c2ncnc3c2[nH]c2ccc(F)cc23)CC1
CCN1CCN(c2ncnc3c2[nH]c2ccc(F)cc23)CC1
4-(4-ethylpiperazin-1-yl)-8-fluoro-5H-pyrimido[5,4-b]indole