Task: Answer the multiple-choice question.
Question: Which drug has a 4.550\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) Fc1cnc(N2CCOCC2)nc1N1CCOCC1
(b) COC(CNC(=O)c1ccc2nc(-c3cccs3)c(-c3cccs3)nc2c1)OC
(c) Cc1cccc(NC(=O)CCOc2ccccc2)c1
(d) CC(C)C(=O)Nc1c(-c2ccccc2Cl)c(=O)c2ccccc2n1C
Answer: a. Fc1cnc(N2CCOCC2)nc1N1CCOCC1
{#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#}
Fc1cnc(N2CCOCC2)nc1N1CCOCC1
Fc1cnc(N2CCOCC2)nc1N1CCOCC1
4-(5-fluoro-2-morpholin-4-ylpyrimidin-4-yl)morpholine