Problem statement: Answer the multiple-choice question.
Query: Which compound has a 0.741\% 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) CCCOC(=O)Cc1c(O)c2ccccc2[nH]c1=O
(b) COc1ccc(S(=O)(=O)N(C)C)cc1NC(=O)COC(=O)CC1CCCC1
(c) CN1CCN(NC(=O)Nc2ccc(Br)cc2Cl)CC1
(d) O=C(NCCC1=CCCCC1)C1CCCN(S(=O)(=O)c2cnc[nH]2)C1
Answer: c. CN1CCN(NC(=O)Nc2ccc(Br)cc2Cl)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#}
CN1CCN(NC(=O)Nc2ccc(Br)cc2Cl)CC1
CN1CCN(NC(=O)Nc2ccc(Br)cc2Cl)CC1
1-(4-bromo-2-chlorophenyl)-3-(4-methylpiperazin-1-yl)urea