Task: Answer the MCQ question.
Question: Which compound exhibits a 19.627\% 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: O=C(N/N=C/c1sc(N2CCCCC2)nc1-c1cccs1)c1cccnc1
b: Cc1cc(N2CCCCC2)n2nc(C)c(-c3ccccc3)c2n1
c: CCc1ccc(-c2nc(CN3CCC(C(=O)NCCN(CC)c4ccccc4)CC3)c(C)o2)cc1
Answer: a. O=C(N/N=C/c1sc(N2CCCCC2)nc1-c1cccs1)c1cccnc1
{#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#}
O=C(N/N=C/c1sc(N2CCCCC2)nc1-c1cccs1)c1cccnc1
O=C(N/N=C/c1sc(N2CCCCC2)nc1-c1cccs1)c1cccnc1
N-[(E)-(2-piperidin-1-yl-4-thiophen-2-yl-1,3-thiazol-5-yl)methylideneamino]pyridine-3-carboxamide