Task: Answer the multiple-choice question.
Query: Which compound exhibits a 7.507\% 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.) N#C/C(=C\c1ccc(N2CCCCC2)o1)C(N)=O
b.) CCOC(=O)c1sc(-c2cccs2)nc1C
c.) COc1ccccc1NS(=O)(=O)c1ccc(NC(C)=O)cc1
d.) COc1ccccc1N=c1oc2c(OC)cccc2cc1C(=O)NCc1ccco1
Answer: b. CCOC(=O)c1sc(-c2cccs2)nc1C
{#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)c1sc(-c2cccs2)nc1C
CCOC(=O)c1sc(-c2cccs2)nc1C
ethyl 4-methyl-2-thiophen-2-yl-1,3-thiazole-5-carboxylate