Task: Answer the MCQ question.
Query: Which compound exhibits a 19.392\% 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. COC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1c1ccc(-c2cccc([N+](=O)[O-])c2)o1
b. O=C(c1ccc(N2CCCCC2)c([N+](=O)[O-])c1)N1CCOCC1
c. Cn1c(Cc2c[nH]c3ccccc23)n[nH]c1=S
d. Cc1cnc(C(=O)OCC(=O)Nc2cc(S(=O)(=O)N3CCCCC3)ccc2Cl)cn1
Answer: d. Cc1cnc(C(=O)OCC(=O)Nc2cc(S(=O)(=O)N3CCCCC3)ccc2Cl)cn1
{#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#}
Cc1cnc(C(=O)OCC(=O)Nc2cc(S(=O)(=O)N3CCCCC3)ccc2Cl)cn1
Cc1cnc(C(=O)OCC(=O)Nc2cc(S(=O)(=O)N3CCCCC3)ccc2Cl)cn1
[2-(2-chloro-5-piperidin-1-ylsulfonylanilino)-2-oxoethyl] 5-methylpyrazine-2-carboxylate