Task: Answer the MCQ question.
Query: Which drug exhibits a 12.877\% 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. COc1ccc([N+](=O)[O-])cc1N(CC(=O)N1CCN(Cc2ccccc2)CC1)S(C)(=O)=O
b. CCN(CC)C(=O)CSc1nsc(SCC(=O)N(CC)CC)c1C#N
c. COc1ccc(NC(=O)c2sc3nc(-c4cccnc4)ccc3c2N)cc1OC
Answer: b. CCN(CC)C(=O)CSc1nsc(SCC(=O)N(CC)CC)c1C#N
{#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)C(=O)CSc1nsc(SCC(=O)N(CC)CC)c1C#N
CCN(CC)C(=O)CSc1nsc(SCC(=O)N(CC)CC)c1C#N
2-[[4-cyano-3-[2-(diethylamino)-2-oxoethyl]sulfanyl-1,2-thiazol-5-yl]sulfanyl]-N,N-diethylacetamide