Task: Answer the multiple choice question.
Query: Which drug exhibits a 6.037\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) COc1cccc(CNC(=O)C(C)n2nc(C)n3c(cc4occc43)c2=O)c1
(b) COc1ccc(C(=O)NC(CC(=O)O)c2cc([N+](=O)[O-])ccc2Cl)c(SC)c1
(c) COc1ccc(S(=O)(=O)N2CCN(c3ncccn3)CC2)cc1OC
(d) Clc1cccc(N2CCN(Cc3nc(-c4ccccc4)no3)CC2)c1
Answer: c. COc1ccc(S(=O)(=O)N2CCN(c3ncccn3)CC2)cc1OC
{#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#}
COc1ccc(S(=O)(=O)N2CCN(c3ncccn3)CC2)cc1OC
COc1ccc(S(=O)(=O)N2CCN(c3ncccn3)CC2)cc1OC
2-[4-(3,4-dimethoxyphenyl)sulfonylpiperazin-1-yl]pyrimidine