Task: Answer the MCQ question.
Query: Which compound has a -0.426\% 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 additional words.
Options:
a: C=CCn1c(CCNC(=O)c2cccs2)nnc1SCC(=O)c1cccc([N+](=O)[O-])c1
b: O=C(Nc1ccccc1F)N(CCCN1CCOCC1)Cc1cc2cc3c(cc2[nH]c1=O)OCCO3
c: CC(=O)OC(C#CCN1CCOCC1)c1ccccc1
d: CC(=O)c1c(COC(=O)c2cccnc2)nc2ccccc2[n+]1[O-]
Answer: a. C=CCn1c(CCNC(=O)c2cccs2)nnc1SCC(=O)c1cccc([N+](=O)[O-])c1
{#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#}
C=CCn1c(CCNC(=O)c2cccs2)nnc1SCC(=O)c1cccc([N+](=O)[O-])c1
C=CCn1c(CCNC(=O)c2cccs2)nnc1SCC(=O)c1cccc([N+](=O)[O-])c1
N-[2-[5-[2-(3-nitrophenyl)-2-oxoethyl]sulfanyl-4-prop-2-enyl-1,2,4-triazol-3-yl]ethyl]thiophene-2-carboxamide