Task: Answer the multiple choice question.
Query: Which drug has a -2.139\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CC(=O)N1CCCN(Cc2cn(-c3cc(C)ccc3C)nc2-c2ccccc2)CC1
b: CCN(CC)S(=O)(=O)c1ccc2c(c1)N(CC(=O)NCCN1CCOCC1)C(=O)CO2
c: CCCCN=C1NN=C(c2ccc(C)c(C)c2)CS1
d: CCCn1c(=N)n(CC(=O)c2cccs2)c2ccccc21
Answer: d. CCCn1c(=N)n(CC(=O)c2cccs2)c2ccccc21
{#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#}
CCCn1c(=N)n(CC(=O)c2cccs2)c2ccccc21
CCCn1c(=N)n(CC(=O)c2cccs2)c2ccccc21
2-(2-imino-3-propylbenzimidazol-1-yl)-1-thiophen-2-ylethanone