Task: Answer the MCQ question.
Query: Which compound has a -40.421\% 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 CCN1CCCC1CNCC(=O)Nc1ccc(OC(F)(F)F)cc1.O=C(O)C(=O)O
b CCCCCCSc1ccc([C@H]2N[C@@](C)(C(=O)OC)[C@H]3C(=O)N(C)C(=O)[C@@H]23)cc1.O=C(O)C(F)(F)F
c C[C@H](O)[C@@]1(O)CC[C@H]2[C@@H]3CC[C@@H]4C[C@H](O)CC[C@]4(C)[C@H]3CC[C@@]21C
Answer: a. CCN1CCCC1CNCC(=O)Nc1ccc(OC(F)(F)F)cc1.O=C(O)C(=O)O
{#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#}
CCN1CCCC1CNCC(=O)Nc1ccc(OC(F)(F)F)cc1.O=C(O)C(=O)O
CCN1CCCC1CNCC(=O)Nc1ccc(OC(F)(F)F)cc1.O=C(O)C(=O)O
2-[(1-ethylpyrrolidin-2-yl)methylamino]-N-[4-(trifluoromethoxy)phenyl]acetamide;oxalic acid