Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 2.405\% human ether-à-go-go related gene (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] CCCn1c2c(c(O)c(C(=O)Nc3nc4ccccc4s3)c1=O)CCCC2
[b] CCc1cccc(NC(=O)Nc2cccs2)c1
[c] CCC1CCCCN1C(=O)c1cc2cc(Br)ccc2oc1=O
[d] CC(C)(C)OC(=O)CNC(=O)c1nc[nH]c1C(=O)NCC(=O)OC(C)(C)C
Answer: b. CCc1cccc(NC(=O)Nc2cccs2)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#}
CCc1cccc(NC(=O)Nc2cccs2)c1
CCc1cccc(NC(=O)Nc2cccs2)c1
1-(3-ethylphenyl)-3-(thiophen-2-yl)urea