Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 5.327\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) Cc1ccc(S(=O)(=O)N2CCN(C(=O)c3ccc(Br)o3)CC2)c(C)c1
(b) CN1CCNC(=O)C1CC(=O)O
(c) CC(=O)N1CCSc2ccc(S(=O)(=O)NCCc3ccc(Cl)cc3)cc21
Answer: b. CN1CCNC(=O)C1CC(=O)O
{#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#}
CN1CCNC(=O)C1CC(=O)O
CN1CCNC(=O)C1CC(=O)O
3-(2-hydroxy-2-oxoethyl)-4-methylpiperazin-2-one