Task: Answer the multiple choice question.
Question: Which drug has a 6.652\% 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) COc1ccc([C@H]2[C@H](C(=O)C(C)(C)C)N3N=Cc4ccccc4C3C23C(=O)OC(C)(C)OC3=O)cc1
(b) CCOC(=O)N1CCN(C(=O)COC(=O)Cc2ccc(OC)cc2)CC1
(c) COc1ccc(C)cc1NC(=O)COC(=O)c1ccc([N+](=O)[O-])o1
(d) CC(=O)c1ccc(S(=O)(=O)N2CCC(c3nnc(SCCN4CCCC4)n3C)CC2)cc1
Answer: a. COc1ccc([C@H]2[C@H](C(=O)C(C)(C)C)N3N=Cc4ccccc4C3C23C(=O)OC(C)(C)OC3=O)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#}
COc1ccc([C@H]2[C@H](C(=O)C(C)(C)C)N3N=Cc4ccccc4C3C23C(=O)OC(C)(C)OC3=O)cc1
COc1ccc([C@H]2[C@H](C(=O)C(C)(C)C)N3N=Cc4ccccc4C3C23C(=O)OC(C)(C)OC3=O)cc1
(2'R,3'R)-3'-(2,2-dimethylpropanoyl)-2'-(4-methoxyphenyl)-2,2-dimethylspiro[1,3-dioxane-5,1'-3,10b-dihydro-2H-pyrrolo[2,1-a]phthalazine]-4,6-dione