Task: Answer the MCQ question.
Query: Which drug exhibits a 18.478\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) COc1cccc(/C=C/C(=O)OCC(=O)Nc2cc(S(=O)(=O)N3CCOCC3)ccc2C)c1
(b) Nc1c(C(=O)N/N=C/c2ccc([N+](=O)[O-])cc2)sc2nnc(-c3ccccc3)c(-c3ccccc3)c12
(c) CCOC(=O)c1nnc(-c2ccccc2)nc1Sc1ccccc1Cl
Answer: a. COc1cccc(/C=C/C(=O)OCC(=O)Nc2cc(S(=O)(=O)N3CCOCC3)ccc2C)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#}
COc1cccc(/C=C/C(=O)OCC(=O)Nc2cc(S(=O)(=O)N3CCOCC3)ccc2C)c1
COc1cccc(/C=C/C(=O)OCC(=O)Nc2cc(S(=O)(=O)N3CCOCC3)ccc2C)c1
[2-(2-methyl-5-morpholin-4-ylsulfonylanilino)-2-oxoethyl] (E)-3-(3-methoxyphenyl)prop-2-enoate