Task: Answer the multiple-choice question.
Query: Which drug has a 3.751\% 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: O=C(Oc1ccccc1Cl)c1ccc(N2CCOCC2)c([N+](=O)[O-])c1
b: Cc1nc2ccccc2n1CC(=O)OCC(=O)Nc1ccc2c(c1)OCCO2
c: CCNC(=O)COC(=O)/C=C/c1ccccc1[N+](=O)[O-]
d: COC(=O)c1cc2sc(Cl)cc2n1CC(=O)N1CCCc2ccccc21
Answer: d. COC(=O)c1cc2sc(Cl)cc2n1CC(=O)N1CCCc2ccccc21
{#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)c1cc2sc(Cl)cc2n1CC(=O)N1CCCc2ccccc21
COC(=O)c1cc2sc(Cl)cc2n1CC(=O)N1CCCc2ccccc21
methyl 2-chloro-4-[2-(3,4-dihydro-2H-quinolin-1-yl)-2-oxoethyl]thieno[3,2-b]pyrrole-5-carboxylate