Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 18.160\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a COCCN1C(=O)c2oc3cc(C)c(C)cc3c(=O)c2C1c1ccc(O)cc1
b CC(=O)Nc1cccc(N2CCCC2=O)c1
c COc1cccc(/C=C/C(=O)OCC(=O)NC(=O)NC2CCCC2)c1
d Cc1ccc(S(=O)(=O)N2CCN(C(=O)CSc3cc(C)ccc3C)CC2)c(C)c1
e CC(=O)c1c(C)[nH]c(C(=O)OCC(=O)c2ccc(C)s2)c1C
Answer: a. COCCN1C(=O)c2oc3cc(C)c(C)cc3c(=O)c2C1c1ccc(O)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#}
COCCN1C(=O)c2oc3cc(C)c(C)cc3c(=O)c2C1c1ccc(O)cc1
COCCN1C(=O)c2oc3cc(C)c(C)cc3c(=O)c2C1c1ccc(O)cc1
1-(4-hydroxyphenyl)-2-(2-methoxyethyl)-6,7-dimethyl-1H-chromeno[2,3-c]pyrrole-3,9-dione