Task: Answer the multiple-choice question.
Question: Which compound has a 2.324\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CCCNC(=O)c1ccccc1NC(=O)c1ccc(CSc2ccccc2)cc1
b. O=C(NCCN1CCN(c2ccccc2)CC1)C1(S(=O)(=O)c2ccc(Cl)cc2)CC1
c. COCc1nnc(NC(=O)c2cc(C(=O)OC)cc([N+](=O)[O-])c2)s1
Answer: c. COCc1nnc(NC(=O)c2cc(C(=O)OC)cc([N+](=O)[O-])c2)s1
{#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#}
COCc1nnc(NC(=O)c2cc(C(=O)OC)cc([N+](=O)[O-])c2)s1
COCc1nnc(NC(=O)c2cc(C(=O)OC)cc([N+](=O)[O-])c2)s1
methyl 3-[[5-(methoxymethyl)-1,3,4-thiadiazol-2-yl]carbamoyl]-5-nitrobenzoate