Task: Answer the multiple-choice question.
Query: Which drug has a 21.128\% 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 other words.
Options:
(a) CCOc1ccc(C(=O)NCCCCNC(=O)c2ccc(OCC)cc2)cc1
(b) CC(=O)N1c2ccc(S(=O)(=O)N3CCCC3)cc2CC1C(=O)NC(C)C
(c) CCOc1ccc(S(=O)(=O)NCCC(=O)OCN2C(=O)c3ccccc3C2=O)cc1
(d) O=C(/C=C/c1c(Cl)cccc1Cl)n1cccn1
Answer: a. CCOc1ccc(C(=O)NCCCCNC(=O)c2ccc(OCC)cc2)cc1
{#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#}
CCOc1ccc(C(=O)NCCCCNC(=O)c2ccc(OCC)cc2)cc1
CCOc1ccc(C(=O)NCCCCNC(=O)c2ccc(OCC)cc2)cc1
4-ethoxy-N-[4-[(4-ethoxybenzoyl)amino]butyl]benzamide