Task: Answer the multiple choice question.
Query: Which drug exhibits a 13.873\% 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) CCOC(=O)c1cc2c(ccn2C)n1CC(=O)N(CC)CC
(b) O=C(c1ccc2c(c1)OCO2)N1CCCC(c2ccccc2)C1
(c) CCN1CCN(Cc2ccc(NC(=O)c3ccc(C)c(NC(=O)c4ccnnc4)c3)cc2C(F)(F)F)CC1
Answer: a. CCOC(=O)c1cc2c(ccn2C)n1CC(=O)N(CC)CC
{#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#}
CCOC(=O)c1cc2c(ccn2C)n1CC(=O)N(CC)CC
CCOC(=O)c1cc2c(ccn2C)n1CC(=O)N(CC)CC
ethyl4-[2-(diethylamino)-2-oxoethyl]-1-methylpyrrolo[3,2-b]pyrrole-5-carboxylate