Task: Answer the MCQ question.
Query: Which compound exhibits a 2.775\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Nc1n[nH]c2ccccc12
b: O=C(NCc1cn2ccsc2n1)Nc1ccc(Cl)cc1
c: Cn1ncc2c1ncn1nc(CCc3ccccc3)nc21
d: O=C(NCc1ccccc1)C(c1ccncc1)N(C(=O)c1csnn1)C1CC1
Answer: c. Cn1ncc2c1ncn1nc(CCc3ccccc3)nc21
{#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#}
Cn1ncc2c1ncn1nc(CCc3ccccc3)nc21
Cn1ncc2c1ncn1nc(CCc3ccccc3)nc21
10-methyl-4-(2-phenylethyl)-3,5,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,4,7,11-pentaene