Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -20.625\% 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 CC(=O)Nc1ccc(NC(=O)C(C)Oc2ccccc2C(=O)NCc2ccccc2)cc1
b COc1cc(OC)cc(C(=O)N[C@H](C(=O)Nc2ccccc2N2CCOCC2)C(C)C)c1
c COC(=O)C1Sc2[nH]c(=O)sc2C(c2ccc(Cl)cc2)C1C(=O)OC
Answer: c. COC(=O)C1Sc2[nH]c(=O)sc2C(c2ccc(Cl)cc2)C1C(=O)OC
{#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#}
COC(=O)C1Sc2[nH]c(=O)sc2C(c2ccc(Cl)cc2)C1C(=O)OC
COC(=O)C1Sc2[nH]c(=O)sc2C(c2ccc(Cl)cc2)C1C(=O)OC
dimethyl 7-(4-chlorophenyl)-2-oxo-3,5,6,7-tetrahydrothiopyrano[2,3-d][1,3]thiazole-5,6-dicarboxylate