Task: Answer the multiple choice question.
Query: Which compound exhibits a 4.935\% 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 CCCSc1nc2c(c(=O)n(C)c(=O)n2C)n1C
b O=C(CN1C(=O)NC2(CCOc3ccccc32)C1=O)c1ccc(Br)cc1
c Cn1ccnc1Sc1ccc(C=O)cc1[N+](=O)[O-]
d CC[N+](CC)(CC)CC.[Cl-]
Answer: c. Cn1ccnc1Sc1ccc(C=O)cc1[N+](=O)[O-]
{#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#}
Cn1ccnc1Sc1ccc(C=O)cc1[N+](=O)[O-]
Cn1ccnc1Sc1ccc(C=O)cc1[N+](=O)[O-]
4-(1-methylimidazol-2-yl)sulfanyl-3-nitrobenzaldehyde