Task: Answer the MCQ question.
Query: Which compound exhibits a 0.800\% 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, or d without using any additional words.
Options:
a.) COC(=O)c1cc(C#N)c(Oc2ccccc2OC)nc1C
b.) CCN1CCN(c2ccc(S(=O)(=O)N3CCOCC3)cc2NC(=O)c2cc(Cl)nc3ccccc23)CC1
c.) O=C(NCC(c1cccs1)N1CCOCC1)c1cc(Cl)ccc1[N+](=O)[O-]
d.) Cc1ccc(CNC(=O)C(=O)NCC2OCCCN2S(=O)(=O)c2ccc(F)cc2)cc1
Answer: c. O=C(NCC(c1cccs1)N1CCOCC1)c1cc(Cl)ccc1[N+](=O)[O-]
{#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)c1cc(Cl)ccc1[N+](=O)[O-]
O=C(NCC(c1cccs1)N1CCOCC1)c1cc(Cl)ccc1[N+](=O)[O-]
5-chloro-N-(2-morpholin-4-yl-2-thiophen-2-ylethyl)-2-nitrobenzamide