Task: Answer the multiple-choice question.
Query: Which drug exhibits a 5.185\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=[N+]([O-])c1ccc2c(c1)Nc1nc3ccccc3nc1N2
[b] O=[N+]([O-])c1cccc(C2=NC(c3ccccc3)CO2)c1
[c] CCN(CC)CCOC(=O)c1ccc(N/C=C(/C#N)c2nc(-c3cc4ccccc4oc3=O)cs2)cc1
Answer: c. CCN(CC)CCOC(=O)c1ccc(N/C=C(/C#N)c2nc(-c3cc4ccccc4oc3=O)cs2)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#}
CCN(CC)CCOC(=O)c1ccc(N/C=C(/C#N)c2nc(-c3cc4ccccc4oc3=O)cs2)cc1
CCN(CC)CCOC(=O)c1ccc(N/C=C(/C#N)c2nc(-c3cc4ccccc4oc3=O)cs2)cc1
2-(diethylamino)ethyl 4-[[(Z)-2-cyano-2-[4-(2-oxochromen-3-yl)-1,3-thiazol-2-yl]ethenyl]amino]benzoate