Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 2.195\% 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] Nc1cccc(C(=O)Nc2cccc3ncccc23)c1
[b] COC(=O)COc1ccc(NS(=O)(=O)c2cccc([N+](=O)[O-])c2)cc1
[c] O=C(CCCn1nnc(-c2cccnc2)n1)c1ccc(F)cc1
[d] Cc1ccc(CN2CCNC(=O)C2CC(=O)N(C)CCc2ccccc2)cc1
Answer: c. O=C(CCCn1nnc(-c2cccnc2)n1)c1ccc(F)cc1
{#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(CCCn1nnc(-c2cccnc2)n1)c1ccc(F)cc1
O=C(CCCn1nnc(-c2cccnc2)n1)c1ccc(F)cc1
1-(4-fluorophenyl)-4-(5-pyridin-3-yltetrazol-2-yl)butan-1-one