Task: Answer the multiple-choice question.
Query: Which drug has a 19.329\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) COCCNC(=O)Cn1ncc2ccsc2c1=O
(b) O=C(NCCc1ccncc1)C(F)(F)F
(c) COc1ccccc1C(=O)NC1CC2CCC(C1)N2Cc1ccccc1
Answer: b. O=C(NCCc1ccncc1)C(F)(F)F
{#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#}
O=C(NCCc1ccncc1)C(F)(F)F
O=C(NCCc1ccncc1)C(F)(F)F
2,2,2-trifluoro-N-(2-pyridin-4-ylethyl)acetamide