Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 4.736\% 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) CC(C)OCCCN1C(=O)c2[nH]nc(-c3ccccc3O)c2C1c1cccc(Cl)c1
(b) CCOC(=O)C1CN(S(=O)(=O)c2ccc(OC)cc2)c2cc(S(=O)(=O)CC)ccc2O1
(c) O=C(C1=C(O)C(=O)N(CCN2CCOCC2)C1c1cccc(Br)c1)c1cccs1
(d) CC1CCN(C(=O)COC(=O)c2cc([N+](=O)[O-])ccc2N2CCOCC2)CC1
Answer: d. CC1CCN(C(=O)COC(=O)c2cc([N+](=O)[O-])ccc2N2CCOCC2)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#}
CC1CCN(C(=O)COC(=O)c2cc([N+](=O)[O-])ccc2N2CCOCC2)CC1
CC1CCN(C(=O)COC(=O)c2cc([N+](=O)[O-])ccc2N2CCOCC2)CC1
[2-(4-methylpiperidin-1-yl)-2-oxoethyl] 2-morpholin-4-yl-5-nitrobenzoate