Task: Answer the MCQ question.
Query: Which drug exhibits a 6.446\% human ether-à-go-go related gene (hERG) inhibition at 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=C1c2ccncc2C(=O)N1c1cccc(Cl)c1
b: COC(=O)c1cc(S(=O)(=O)n2nc(C)cc2C)c(Cl)cc1Cl
c: O=C(COC(=O)C1CC(O)CN1S(=O)(=O)c1ccc(Cl)cc1)c1ccccc1
d: COc1cc(NC(=S)N(C)C)c(OC)cc1Cl
e: NC(=O)c1nsc(C(=O)N(Cc2cccnc2)C(C(=O)NCc2ccc(F)cc2)c2ccc(F)cc2)c1N
Answer: a. O=C1c2ccncc2C(=O)N1c1cccc(Cl)c1
{#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=C1c2ccncc2C(=O)N1c1cccc(Cl)c1
O=C1c2ccncc2C(=O)N1c1cccc(Cl)c1
2-(3-chlorophenyl)pyrrolo[3,4-c]pyridine-1,3-dione