Task: Answer the MCQ question.
Query: Which drug exhibits a 18.635\% 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. Cc1ccc(-c2nc3cnccn3c2Nc2ccc3c(c2)OCCO3)o1
b. Cc1c(Cl)cccc1NC(=S)NNS(=O)(=O)c1ccc([N+](=O)[O-])cc1
c. COC(=O)c1nn(-c2ccc(OC)cc2)c(=O)cc1Sc1ccc(C)cc1
d. CC(C)CN(C)C(=O)CCc1nnc(Cc2ccc(-c3ccccc3)cc2)o1
Answer: b. Cc1c(Cl)cccc1NC(=S)NNS(=O)(=O)c1ccc([N+](=O)[O-])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#}
Cc1c(Cl)cccc1NC(=S)NNS(=O)(=O)c1ccc([N+](=O)[O-])cc1
Cc1c(Cl)cccc1NC(=S)NNS(=O)(=O)c1ccc([N+](=O)[O-])cc1
1-(3-chloro-2-methylphenyl)-3-[(4-nitrophenyl)sulfonylamino]thiourea