Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -0.399\% 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 other words.
Options:
a) O=C1CC(=O)C(n2cncn2)C(c2ccc(Cl)cc2Cl)C1
b) COc1cc(C2N(c3cccc(Cl)c3)C(=O)C3CCCN32)cc(OC)c1OC
c) CN1CCCC(OC(=O)COc2ccc(Br)cc2)C1.Cl
d) COC(=O)[C@@H]1C[C@@]2(O)[C@@H](O)[C@@H](O)[C@@H](O)C[C@H]2N1Cc1ccc(C(F)(F)F)cc1
Answer: c. CN1CCCC(OC(=O)COc2ccc(Br)cc2)C1.Cl
{#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#}
CN1CCCC(OC(=O)COc2ccc(Br)cc2)C1.Cl
CN1CCCC(OC(=O)COc2ccc(Br)cc2)C1.Cl
(1-methylpiperidin-3-yl) 2-(4-bromophenoxy)acetate;hydrochloride