Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 1.603\% 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 additional words.
Options:
a. Cl.OC(COc1ccccc1Br)CN1CCNCC1
b. O=C1N=C(N2CCOCC2)S/C1=C\c1cccs1
Answer: b. O=C1N=C(N2CCOCC2)S/C1=C\c1cccs1
{#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=C1N=C(N2CCOCC2)S/C1=C\c1cccs1
O=C1N=C(N2CCOCC2)S/C1=C\c1cccs1
(5Z)-2-morpholin-4-yl-5-(thiophen-2-ylmethylidene)-1,3-thiazol-4-one