Problem statement: Answer the multiple-choice question.
Query: Which drug has a 17.881\% 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 or b without using any other words.
Options:
a CCC(=O)N1c2ccc(S(=O)(=O)CCC(=O)N3CCN(c4ccccc4)CC3)cc2CC1C
b CC1=C(C(=O)N2CCOCC2)C(c2ccc(Cl)cc2)NC(=S)N1
Answer: b. CC1=C(C(=O)N2CCOCC2)C(c2ccc(Cl)cc2)NC(=S)N1
{#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#}
CC1=C(C(=O)N2CCOCC2)C(c2ccc(Cl)cc2)NC(=S)N1
CC1=C(C(=O)N2CCOCC2)C(c2ccc(Cl)cc2)NC(=S)N1
[4-(4-chlorophenyl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidin-5-yl]-morpholin-4-ylmethanone