Problem statement: Answer the MCQ question.
Question: Which drug has a 3.183\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(COc1cccnc1[N+](=O)[O-])Nc1ccc(N2CCOCC2)cc1
[b] CCC1CCCCN1C(=O)c1sc2ncnc(N(CC)CC)c2c1C
Answer: b. CCC1CCCCN1C(=O)c1sc2ncnc(N(CC)CC)c2c1C
{#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#}
CCC1CCCCN1C(=O)c1sc2ncnc(N(CC)CC)c2c1C
CCC1CCCCN1C(=O)c1sc2ncnc(N(CC)CC)c2c1C
[4-(diethylamino)-5-methylthieno[2,3-d]pyrimidin-6-yl]-(2-ethylpiperidin-1-yl)methanone