Task: Answer the MCQ question.
Query: Which compound exhibits a 2.828\% human ether-à-go-go related gene (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 COc1cccc(NC(=O)Nc2cccc(C)n2)c1
b C=CCNC(=O)C(=O)NCC1CCCN1CC
c O=C(c1ccc(Cl)cc1)C1CCCN(Cc2ccon2)C1
Answer: b. C=CCNC(=O)C(=O)NCC1CCCN1CC
{#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#}
C=CCNC(=O)C(=O)NCC1CCCN1CC
C=CCNC(=O)C(=O)NCC1CCCN1CC
N-[(1-ethylpyrrolidin-2-yl)methyl]-N'-prop-2-enyloxamide