Task: Answer the multiple-choice question.
Question: Which drug exhibits a 21.420% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCN(/C(=N/P(=O)(N1CCOCC1)N1CCOCC1)N1CCOCC1)c1ccc(OC)cc1
[b] O=C1CC2(CCN(C(=O)c3cccc([N+](=O)[O-])c3)CC2)Oc2ccccc21
[c] O=C(O)C1CCCN(S(=O)(=O)c2ccccc2)C1
[d] Cc1ccc(C(=O)OCC(=O)N(C)c2ccccc2)c(C)c1
Answer: a. CCN(/C(=N/P(=O)(N1CCOCC1)N1CCOCC1)N1CCOCC1)c1ccc(OC)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCN(/C(=N/P(=O)(N1CCOCC1)N1CCOCC1)N1CCOCC1)c1ccc(OC)cc1
CCN(/C(=N/P(=O)(N1CCOCC1)N1CCOCC1)N1CCOCC1)c1ccc(OC)cc1
N'-dimorpholin-4-ylphosphoryl-N-ethyl-N-(4-methoxyphenyl)morpholine-4-carboximidamide