Task: Answer the multiple choice question.
Query: Which drug exhibits a 21.981\% 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) CC(C)C[C@H](NC(=O)c1nc[nH]c1C(=O)N1CCN(C(=O)OC(C)(C)C)CC1)C(=O)OCc1ccccc1
(b) CC(CC(=O)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1OCC(F)(F)F)c1ccccc1
(c) COc1cc(C)c(Br)cc1S(=O)(=O)NCc1ccncc1
(d) O=C(COC(=O)CCc1ccccc1)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1N1CCCC1
Answer: d. O=C(COC(=O)CCc1ccccc1)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1N1CCCC1
{#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#}
O=C(COC(=O)CCc1ccccc1)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1N1CCCC1
O=C(COC(=O)CCc1ccccc1)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1N1CCCC1
[2-(5-morpholin-4-ylsulfonyl-2-pyrrolidin-1-ylanilino)-2-oxoethyl]3-phenylpropanoate