Task: Answer the multiple choice question.
Query: Which drug exhibits a 31.730\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. CC1CCCCN1C(=O)CN1C(=O)c2ccccc2S1(=O)=O
b. O=C(O)c1ccccc1CSc1nc2ccccc2n1Cc1ccccc1C(=O)O
c. Fc1cccc(Cl)c1Cn1nnc2c(NCc3ccccn3)ncnc21
d. O=C(CCN1C(=O)/C(=C\c2ccccc2)SC1=S)N1CCOCC1
e. COC(=O)C1(C(C[N+](=O)[O-])c2ccco2)C(=O)NCC1c1ccccc1
Answer: b. O=C(O)c1ccccc1CSc1nc2ccccc2n1Cc1ccccc1C(=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#}
O=C(O)c1ccccc1CSc1nc2ccccc2n1Cc1ccccc1C(=O)O
O=C(O)c1ccccc1CSc1nc2ccccc2n1Cc1ccccc1C(=O)O
2-[[2-[(2-carboxyphenyl)methylsulfanyl]benzimidazol-1-yl]methyl]benzoic acid