Task: Answer the multiple choice question.
Question: Which drug exhibits a -0.900\% 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 other words.
Options:
[a] CN(C)CCC(Oc1ccccc1OCc1ccccc1)c1ccccc1.O=C(O)C(=O)O
[b] CC1CCCN(C(=O)c2sc3cc([N+](=O)[O-])ccc3c2Cl)C1
[c] CCOc1cc(/C=C2\C(=O)ON=C2c2ccccc2)cc(Br)c1O
[d] O=C1NCCN(Cc2ccc(-c3ccccc3)cc2)C1CC(=O)N1CCN(CCO)CC1
Answer: b. CC1CCCN(C(=O)c2sc3cc([N+](=O)[O-])ccc3c2Cl)C1
{#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#}
CC1CCCN(C(=O)c2sc3cc([N+](=O)[O-])ccc3c2Cl)C1
CC1CCCN(C(=O)c2sc3cc([N+](=O)[O-])ccc3c2Cl)C1
(3-chloro-6-nitro-1-benzothiophen-2-yl)-(3-methylpiperidin-1-yl)methanone