Task: Answer the multiple choice question.
Question: Which drug exhibits a 3.937\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccc(C)cc1N(C(=O)c1ccco1)C(C(=O)NC1CCCC1)c1cc(OC)c(OC)c(OC)c1
(b) COc1ccc(NC(=O)C2CCCN(c3cc(C)nc4ncnn34)C2)cc1
Answer: a. COc1ccc(C)cc1N(C(=O)c1ccco1)C(C(=O)NC1CCCC1)c1cc(OC)c(OC)c(OC)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#}
COc1ccc(C)cc1N(C(=O)c1ccco1)C(C(=O)NC1CCCC1)c1cc(OC)c(OC)c(OC)c1
COc1ccc(C)cc1N(C(=O)c1ccco1)C(C(=O)NC1CCCC1)c1cc(OC)c(OC)c(OC)c1
N-[2-(cyclopentylamino)-2-oxo-1-(3,4,5-trimethoxyphenyl)ethyl]-N-(2-methoxy-5-methylphenyl)furan-2-carboxamide