Task: Answer the MCQ question.
Query: Which compound has a -1.726\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a O=S(=O)(c1ccccc1)N1C2CCC1CC(O)(c1cccnc1)C2
b C=C1CC(C)OC(c2ccccc2OCC(O)CN2CCCCC2)C1
c COc1ccccc1CO/N=C/NC(=O)c1c(OC)ccnc1Oc1ccc(F)cc1
d COc1ccc(C(=O)Nc2c3c(nn2-c2cccc(Cl)c2)CS(=O)C3)cc1
Answer: c. COc1ccccc1CO/N=C/NC(=O)c1c(OC)ccnc1Oc1ccc(F)cc1
{#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#}
COc1ccccc1CO/N=C/NC(=O)c1c(OC)ccnc1Oc1ccc(F)cc1
COc1ccccc1CO/N=C/NC(=O)c1c(OC)ccnc1Oc1ccc(F)cc1
2-(4-fluorophenoxy)-4-methoxy-N-[(E)-(2-methoxyphenyl)methoxyiminomethyl]pyridine-3-carboxamide