Problem statement: Answer the multiple choice question.
Question: Which compound has a 18.004\% 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.) COc1ccc(C(=O)Nc2cccc(-c3ccc4nncn4n3)c2)cc1
b.) CCc1ccccc1NC(=S)NNC(=O)c1ccccc1Cl
c.) CCS(=O)(=O)N1CCC(C(=O)Nc2cc([N+](=O)[O-])ccc2C)CC1
d.) CCC1CCCCN1C(=O)c1cc2c(=O)n3cccc(C)c3nc2s1
Answer: b. CCc1ccccc1NC(=S)NNC(=O)c1ccccc1Cl
{#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#}
CCc1ccccc1NC(=S)NNC(=O)c1ccccc1Cl
CCc1ccccc1NC(=S)NNC(=O)c1ccccc1Cl
1-[(2-chlorobenzoyl)amino]-3-(2-ethylphenyl)thiourea