Problem statement: Answer the multiple choice question.
Query: Which compound has a 4.583\% 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 CC1(C)CC(=O)C(C(=O)C2CCN(S(=O)(=O)c3ccccc3)CC2)C(=O)C1
b O=C(COC(=O)c1ccncc1)c1ccc(Br)cc1
c CCOC(=O)C(CSCC(=O)c1ccc(Br)cc1)NC(=O)OC(C)(C)C
Answer: c. CCOC(=O)C(CSCC(=O)c1ccc(Br)cc1)NC(=O)OC(C)(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#}
ethyl 3-[2-(4-bromophenyl)-2-oxoethyl]sulfanyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoate