Task: Answer the MCQ question.
Query: Which compound has a 2.121\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: O=C(Cc1ccccc1Cl)NCc1cccnc1
b: O=C(Nc1nnc(S(=O)(=O)N2CCCC2)s1)c1ccccc1Br
c: COc1ccc(NC(=O)CC2C(=O)N(Cc3ccccc3)C(=S)N2Cc2cccnc2)cc1
d: COC(=O)C1CCN(CC(=O)Nc2cc(Cl)ccc2OC)CC1
e: NC(=O)N/N=C/C=C/c1ccc(F)cc1
Answer: d. COC(=O)C1CCN(CC(=O)Nc2cc(Cl)ccc2OC)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#}
COC(=O)C1CCN(CC(=O)Nc2cc(Cl)ccc2OC)CC1
COC(=O)C1CCN(CC(=O)Nc2cc(Cl)ccc2OC)CC1
methyl1-[2-(5-chloro-2-methoxyanilino)-2-oxoethyl]piperidine-4-carboxylate