Problem statement: Answer the multiple-choice question.
Question: Which drug has a 0.760\% 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, b, c, d, or e without using any other words.
Options:
a. O=C(NCC(c1cccs1)N1CCOCC1)c1cccc([N+](=O)[O-])c1
b. CCN1C(=O)C(=O)N(CC(=O)N2CCc3cc(OC)c(OC)cc3C2)C1=O
c. Cc1cc(OCC(=O)N[C@@H](Cc2c[nH]c3ccccc23)C(=O)O)c2c(C)c(C)c(=O)oc2c1
d. CN(C(=O)COC(=O)c1cc([N+](=O)[O-])ccc1Cl)c1ccccc1
e. CCCCCC(=O)NC(=S)NNC(=O)CC
Answer: a. O=C(NCC(c1cccs1)N1CCOCC1)c1cccc([N+](=O)[O-])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#}
O=C(NCC(c1cccs1)N1CCOCC1)c1cccc([N+](=O)[O-])c1
O=C(NCC(c1cccs1)N1CCOCC1)c1cccc([N+](=O)[O-])c1
[3-[(2-morpholin-4-yl-2-thiophen-2-ylethyl)carbamoyl]phenyl]-oxido-oxoazanium