Task: Answer the MCQ question.
Query: Which compound has a 9.173\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COc1ccc(CNc2oc(COc3ccccc3Cl)nc2C#N)cc1
b: COC(=O)c1ccc(N(CC(=O)NCC2CCCO2)C(=O)CCC(=O)Nc2cc(C)on2)cc1
c: CCOC(=O)CC1C(=O)NCCN1Cc1cccs1
d: O=C1CCCCC1C(Nc1ccc(Br)cc1)c1ccccc1
Answer: c. CCOC(=O)CC1C(=O)NCCN1Cc1cccs1
{#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)CC1C(=O)NCCN1Cc1cccs1
CCOC(=O)CC1C(=O)NCCN1Cc1cccs1
3-(2-ethoxy-2-oxoethyl)-4-(thiophen-2-ylmethyl)piperazin-2-one