Task: Answer the MCQ question.
Query: Which compound exhibits a 4.449% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a Cc1cc(C)c2c(c1)C1C=CCC1C(c1ccc(S(=O)(=O)N3CCOCC3)cc1)N2
b CCOC(=O)c1cnc2ccc(OCC)cc2c1NCc1ccccc1OC
c O=C(CCSc1ccc(Cl)cc1)NCc1ccccn1
d Cc1ccnc(NS(=O)(=O)c2ccc(NC(=O)c3ccc([N+](=O)[O-])s3)cc2)n1
Answer: b. CCOC(=O)c1cnc2ccc(OCC)cc2c1NCc1ccccc1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOC(=O)c1cnc2ccc(OCC)cc2c1NCc1ccccc1OC
CCOC(=O)c1cnc2ccc(OCC)cc2c1NCc1ccccc1OC
ethyl 6-ethoxy-4-[(2-methoxyphenyl)methylamino]quinoline-3-carboxylate