Task: Answer the multiple-choice question.
Query: Which compound has a 4.384\% 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 additional words.
Options:
a: CC(C)n1cnc2c(NCc3ccc(S(N)(=O)=O)cc3)nc(NCc3ccc(S(N)(=O)=O)cc3)nc21
b: C=CCN1C(=O)C(O)(CC(=O)c2ccc(N)cc2)c2ccccc21
c: COc1cccc(OC)c1C(=O)n1nc(C)cc1C
d: O=C(NCc1cccnc1)c1cccs1
Answer: b. C=CCN1C(=O)C(O)(CC(=O)c2ccc(N)cc2)c2ccccc21
{#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=CCN1C(=O)C(O)(CC(=O)c2ccc(N)cc2)c2ccccc21
C=CCN1C(=O)C(O)(CC(=O)c2ccc(N)cc2)c2ccccc21
3-[2-(4-aminophenyl)-2-oxoethyl]-3-hydroxy-1-prop-2-enylindol-2-one