Problem statement: Answer the multiple choice question.
Query: Which compound has a 7.530\% 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. Cc1cnc(SCc2cnc(C)nc2N)nc1
b. C/C(=N/NC(=O)c1ccco1)c1ccc(NC(=O)c2ccc(F)cc2)cc1
Answer: a. Cc1cnc(SCc2cnc(C)nc2N)nc1
{#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(SCc2cnc(C)nc2N)nc1
Cc1cnc(SCc2cnc(C)nc2N)nc1
2-methyl-5-[(5-methylpyrimidin-2-yl)sulfanylmethyl]pyrimidin-4-amine