Task: Answer the multiple-choice question.
Query: Which drug exhibits a -5.727\% human ether-à-go-go related gene (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 additional words.
Options:
[a] COc1ccc(C(=O)N2CCN(Cc3ccc(OC)c(OC)c3)CC2)cc1.O=C(O)C(=O)O
[b] CCOC(=O)N1CCC(=NNc2ccnc3cc(Cl)ccc23)CC1
[c] CC(C)Oc1ccc(/C(O)=C2/C(=O)C(=O)N(CCN3CCNCC3)C2c2cccc([N+](=O)[O-])c2)cc1
[d] O=c1ccc2ccc(O[C@@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)c(O)c2o1
Answer: b. CCOC(=O)N1CCC(=NNc2ccnc3cc(Cl)ccc23)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#}
CCOC(=O)N1CCC(=NNc2ccnc3cc(Cl)ccc23)CC1
CCOC(=O)N1CCC(=NNc2ccnc3cc(Cl)ccc23)CC1
ethyl 4-[(7-chloroquinolin-4-yl)hydrazinylidene]piperidine-1-carboxylate