Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 0.746\% 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) CNC(=S)N1CCC(NC(=O)C(Cc2ccccc2)NC(C)=O)CC1
(b) CC(NC(=O)C1CCC(CNc2c(N3CCCCC3)c(=O)c2=O)CC1)c1ccccc1
(c) CCOC(=O)c1c(N/N=C/c2ccncc2)n[nH]c1C
(d) CC(NS(=O)(=O)c1cc2c3c(c1)CCC(=O)N3CCC2)c1ccccc1
(e) COc1ccc(-c2cc3nc(C)c(CCC(=O)NCc4ccc(F)cc4)c(C)n3n2)c(OC)c1
Answer: c. CCOC(=O)c1c(N/N=C/c2ccncc2)n[nH]c1C
{#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#}
CCOC(=O)c1c(N/N=C/c2ccncc2)n[nH]c1C
CCOC(=O)c1c(N/N=C/c2ccncc2)n[nH]c1C
ethyl 5-methyl-3-[(2E)-2-(pyridin-4-ylmethylidene)hydrazinyl]-1H-pyrazole-4-carboxylate