Task: Answer the multiple-choice question.
Question: Which drug exhibits a 16.176\% 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: Cc1cc(C)nc(SCCS(=O)(=O)Cc2ccccc2)n1
b: CCc1ccc(S(=O)(=O)N2CCN(c3ncccn3)CC2)cc1
c: CCN(CC)S(=O)(=O)c1ccc2c(c1)N(CC(=O)N(CCc1ccncc1)C(C)C)C(=O)CO2
d: CCOC(=O)C1CCCN(Cc2ccccc2C)C1
Answer: b. CCc1ccc(S(=O)(=O)N2CCN(c3ncccn3)CC2)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#}
CCc1ccc(S(=O)(=O)N2CCN(c3ncccn3)CC2)cc1
CCc1ccc(S(=O)(=O)N2CCN(c3ncccn3)CC2)cc1
2-[4-(4-ethylphenyl)sulfonylpiperazin-1-yl]pyrimidine