Task: Answer the MCQ question.
Question: Which drug exhibits a 19.772\% 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 COc1ccc(C(CC(=O)NCc2ccccc2)Sc2n[nH]c(-c3ccc(Cl)cc3)n2)cc1
b Cc1cc(S(=O)(=O)Nc2ccc(C(=O)NCC(C)(C)N3CCOCC3)cc2)ccc1F
c O=CN1CCN(C(=O)c2cccc3c2-c2ccccc2C3=O)CC1
d COc1ccc(-c2cc(=O)oc3c(C)c(OCC(=O)Nc4cccnc4)ccc23)cc1
Answer: d. COc1ccc(-c2cc(=O)oc3c(C)c(OCC(=O)Nc4cccnc4)ccc23)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#}
COc1ccc(-c2cc(=O)oc3c(C)c(OCC(=O)Nc4cccnc4)ccc23)cc1
COc1ccc(-c2cc(=O)oc3c(C)c(OCC(=O)Nc4cccnc4)ccc23)cc1
2-[4-(4-methoxyphenyl)-8-methyl-2-oxochromen-7-yl]oxy-N-pyridin-3-ylacetamide