Task: Answer the multiple-choice question.
Query: Which drug exhibits a -7.709\% 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) O=c1cc([O-])n(C2CCCCCC2)c(=O)[nH]1.[NH4+]
(b) O=C(Nc1nccs1)C1CCCN1S(=O)(=O)c1ccc(Cl)cc1
(c) C=CCNC(=S)N1CCN(CCNC2=CC(=O)CC(C)(C)C2)CC1
(d) N#CCCNC(=O)Cn1c(COc2ccc(Cl)cc2)nc2ccccc21
Answer: d. N#CCCNC(=O)Cn1c(COc2ccc(Cl)cc2)nc2ccccc21
{#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#}
N#CCCNC(=O)Cn1c(COc2ccc(Cl)cc2)nc2ccccc21
N#CCCNC(=O)Cn1c(COc2ccc(Cl)cc2)nc2ccccc21
2-[2-[(4-chlorophenoxy)methyl]benzimidazol-1-yl]-N-(2-cyanoethyl)acetamide