Problem statement: Answer the multiple-choice question.
Query: Which drug has a 1.954\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CCOC(=O)CSc1nnc2c(n1)C1(C)CCC2C1(C)C
(b) COc1ccc(/C=C/C(=O)C23CC4CC(CC(C4)C2)C3)cc1CN1CCOCC1
(c) O=C(NCc1ccccc1C(F)(F)F)C1CCC(=O)N(C2CC2)C1
Answer: a. CCOC(=O)CSc1nnc2c(n1)C1(C)CCC2C1(C)C
{#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)CSc1nnc2c(n1)C1(C)CCC2C1(C)C
CCOC(=O)CSc1nnc2c(n1)C1(C)CCC2C1(C)C
ethyl 2-[(8,11,11-trimethyl-3,4,6-triazatricyclo[6.2.1.02,7]undeca-2(7),3,5-trien-5-yl)sulfanyl]acetate