Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 2.779\% human ether-à-go-go related gene (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=S(=O)(Cc1ccccc1Cl)N1CCCCC1
b CCOc1ccc(OCCN(C)Cc2ccccc2)cc1.O=C(O)C(=O)O
c O=C(NN1C(=O)c2ccccc2C1=O)C1CCCCC1
d Cc1nn(-c2ccccc2)c2sc(C(=O)N(Cc3ccco3)C(C)C(=O)NC(C)(C)C)cc12
Answer: a. O=S(=O)(Cc1ccccc1Cl)N1CCCCC1
{#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=S(=O)(Cc1ccccc1Cl)N1CCCCC1
O=S(=O)(Cc1ccccc1Cl)N1CCCCC1
1-[(2-chlorophenyl)methylsulfonyl]piperidine