Task: Answer the multiple choice question.
Query: Which drug exhibits a 6.556\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) CCOC(=O)CSc1nc(N)nc(C)c1Cl
b.) COc1cc(OC)cc(C(=O)N[C@H](C(=O)NCc2cccs2)C(C)C)c1
c.) Clc1cnc(N/N=C/c2cccs2)c(Cl)c1
d.) Cc1cc(C(=O)NCc2cc(C)n(C)n2)sc1-c1ccccc1
Answer: a. CCOC(=O)CSc1nc(N)nc(C)c1Cl
{#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#}
CCOC(=O)CSc1nc(N)nc(C)c1Cl
CCOC(=O)CSc1nc(N)nc(C)c1Cl
ethyl 2-(2-amino-5-chloro-6-methylpyrimidin-4-yl)sulfanylacetate