Task: Answer the multiple-choice question.
Query: Which compound exhibits a 5.834\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] COc1ccc2c(c1)OC/C(=C/c1cccs1)C2=O
[b] CN1CCN(CC(=O)Nc2nc3ccccc3s2)CC1.O=CO
[c] CCCS(=O)(=O)N1CCC(C(=O)NC2CCCC(C)C2C)CC1
[d] CC1(C)CC(=O)CC(=NCC(=O)O)C1
Answer: a. COc1ccc2c(c1)OC/C(=C/c1cccs1)C2=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#}
COc1ccc2c(c1)OC/C(=C/c1cccs1)C2=O
COc1ccc2c(c1)OC/C(=C/c1cccs1)C2=O
(3Z)-7-methoxy-3-(thiophen-2-ylmethylidene)chromen-4-one