Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 10.669\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. Clc1ccccc1OCc1nn2c(-c3ccncc3)nnc2s1
b. CCOc1ccc(OCC)c(NC(=O)CSc2nnc(Cn3cnc4ccccc43)n2C)c1
c. O=C(c1ccccn1)N1CCN(C(=O)c2ccccn2)CC1
d. Cc1ccc(CNC(=O)Cn2cnc3cc([N+](=O)[O-])ccc3c2=O)cc1
Answer: c. O=C(c1ccccn1)N1CCN(C(=O)c2ccccn2)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(c1ccccn1)N1CCN(C(=O)c2ccccn2)CC1
O=C(c1ccccn1)N1CCN(C(=O)c2ccccn2)CC1
[4-(pyridine-2-carbonyl)piperazin-1-yl]-pyridin-2-ylmethanone