Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 4.326\% 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 or b without using any other words.
Options:
(a) Cc1ccnc(NC(c2ccsc2)c2ccc3ccc(C)nc3c2O)c1
(b) C=CCn1c(SCC(=O)NCc2ccco2)nc2sc3c(c2c1=O)CCC3
Answer: a. Cc1ccnc(NC(c2ccsc2)c2ccc3ccc(C)nc3c2O)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#}
Cc1ccnc(NC(c2ccsc2)c2ccc3ccc(C)nc3c2O)c1
Cc1ccnc(NC(c2ccsc2)c2ccc3ccc(C)nc3c2O)c1
2-methyl-7-[[(4-methylpyridin-2-yl)amino]-thiophen-3-ylmethyl]quinolin-8-ol