Task: Answer the multiple-choice question.
Question: Which drug exhibits a -26.864% 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 other words.
Options:
a) CC(C)N1CCN(c2ccc(O)cc2)CC1
b) COC(=O)c1ccc(C)c(NS(=O)(=O)c2ccc(OC)c(OC)c2)c1
c) NC(=O)N1OCC2COc3ccc4ccccc4c3C21
d) NC(=O)C1CCCN(CC(=O)Nc2cc(S(=O)(=O)N3CCOCC3)ccc2N2CCCC2)C1
Answer: c. NC(=O)N1OCC2COc3ccc4ccccc4c3C21
{#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#}
NC(=O)N1OCC2COc3ccc4ccccc4c3C21
NC(=O)N1OCC2COc3ccc4ccccc4c3C21
11,15-dioxa-16-azatetracyclo[8.7.0.02,7.013,17]heptadeca-1(10),2,4,6,8-pentaene-16-carboxamide