Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 14.178\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] C=CC(=O)NCC1OCCc2ccccc21
[b] S=c1nc[nH]c2c1cnn2-c1ccccc1
[c] CCOC(=O)c1sc(/N=C/N(C)C)nc1C
[d] OCc1cc(C(O)CNCCCCCCOCCCCc2ccccc2)ccc1O
Answer: a. C=CC(=O)NCC1OCCc2ccccc21
{#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=CC(=O)NCC1OCCc2ccccc21
C=CC(=O)NCC1OCCc2ccccc21
N-(3,4-dihydro-1H-isochromen-1-ylmethyl)prop-2-enamide