Task: Answer the MCQ question.
Query: Which drug has a 18.722\% 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. CCN(CC)CCCN1C(=O)c2oc3ccccc3c(=O)c2C1c1cccs1
b. CCCCn1nc(C(=O)Nc2ccc(S(=O)(=O)Nc3ncccn3)cc2)c2ccccc2c1=O
c. CC(C)c1ccc(C(=O)Nc2ccc(N3CCOCC3)cc2)cc1
Answer: a. CCN(CC)CCCN1C(=O)c2oc3ccccc3c(=O)c2C1c1cccs1
{#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#}
CCN(CC)CCCN1C(=O)c2oc3ccccc3c(=O)c2C1c1cccs1
CCN(CC)CCCN1C(=O)c2oc3ccccc3c(=O)c2C1c1cccs1
2-[3-(diethylamino)propyl]-1-(thiophen-2-yl)-1H-chromeno[2,3-c]pyrrole-3,9-dione