Task: Answer the MCQ question.
Query: Which drug exhibits a 4.938\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a O=C(COC(=O)c1oc2ccccc2c1COc1ccccc1)NCCN1C(=O)CSC1=O
b CNC(=O)NC(=O)CSc1nc2ccccc2n1CCOC
c Cc1ccc(-c2nn(-c3ccccc3)cc2C(=O)NCCCN2CCCC2=O)cc1
Answer: b. CNC(=O)NC(=O)CSc1nc2ccccc2n1CCOC
{#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#}
CNC(=O)NC(=O)CSc1nc2ccccc2n1CCOC
CNC(=O)NC(=O)CSc1nc2ccccc2n1CCOC
2-[1-(2-methoxyethyl)benzimidazol-2-yl]sulfanyl-N-(methylcarbamoyl)acetamide