Problem statement: Answer the multiple choice question.
Query: Which drug has a 16.820\% 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: N#CCSc1nc(-c2ccccc2)nc2ccc(F)cc12
b: CCOC(=O)N1CCN(C(=O)COC(=O)c2ccc(O)cc2O)CC1
c: O=C(NCc1ccco1)C(c1ccncc1)N(C(=O)Cn1nnc2ccccc21)c1ccccc1F
d: O=C(c1cc(S(=O)(=O)NCc2ccco2)ccc1Br)N1CCOCC1
Answer: b. CCOC(=O)N1CCN(C(=O)COC(=O)c2ccc(O)cc2O)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#}
CCOC(=O)N1CCN(C(=O)COC(=O)c2ccc(O)cc2O)CC1
CCOC(=O)N1CCN(C(=O)COC(=O)c2ccc(O)cc2O)CC1
ethyl 4-[2-(2,4-dihydroxybenzoyl)oxyacetyl]piperazine-1-carboxylate