Problem statement: Answer the MCQ question.
Question: Which compound has a 6.389\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) O=C(O)COc1ccccc1/C=N/NC(=O)CSc1nc2ccccc2n1Cc1ccccc1Cl
b) CCOC(=O)C1=C(N)Oc2cc(C)oc(=O)c2C1c1cccnc1
Answer: a. O=C(O)COc1ccccc1/C=N/NC(=O)CSc1nc2ccccc2n1Cc1ccccc1Cl
{#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#}
O=C(O)COc1ccccc1/C=N/NC(=O)CSc1nc2ccccc2n1Cc1ccccc1Cl
O=C(O)COc1ccccc1/C=N/NC(=O)CSc1nc2ccccc2n1Cc1ccccc1Cl
2-[2-[(E)-[[2-[1-[(2-chlorophenyl)methyl]benzimidazol-2-yl]sulfanylacetyl]hydrazinylidene]methyl]phenoxy]acetic acid