Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 15.991\% 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. CCNc1sc(C(=O)OCC)c(N)c1C#N
b. CCS(=O)c1ccccc1C(=O)OCC(=O)Nc1cccc(S(=O)(=O)N2CCCCC2)c1
c. Cc1csc(NC(=O)CSc2nnc(-c3ccccn3)n2-c2ccc(C)c(C)c2)n1
d. COc1ccc(-c2ccc(SCc3ccccn3)nn2)cc1OC
Answer: a. CCNc1sc(C(=O)OCC)c(N)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#}
CCNc1sc(C(=O)OCC)c(N)c1C#N
CCNc1sc(C(=O)OCC)c(N)c1C#N
ethyl 3-amino-4-cyano-5-(ethylamino)thiophene-2-carboxylate