Problem statement: Answer the MCQ question.
Query: Which compound has a -0.517\% 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 additional words.
Options:
a.) COc1ccc(-c2nnn(Cc3nn[nH]n3)n2)cc1OC
b.) O=C(COC(=O)c1ccncc1)NCc1ccccc1
c.) O=C(CCN1C(=O)c2ccccc2C1=O)Nc1ccccn1
d.) O=C(CN1CCN(c2ccccc2O)CC1)NNC(=O)c1ccc(Cl)cc1
Answer: a. COc1ccc(-c2nnn(Cc3nn[nH]n3)n2)cc1OC
{#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(-c2nnn(Cc3nn[nH]n3)n2)cc1OC
COc1ccc(-c2nnn(Cc3nn[nH]n3)n2)cc1OC
5-(3,4-dimethoxyphenyl)-2-(2H-tetrazol-5-ylmethyl)tetrazole