Task: Answer the multiple-choice question.
Question: Which drug has a 30.491\% 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 other words.
Options:
a COCCNC(=O)c1onc(CSc2cc(C)cc(C)c2)c1C(=O)O
b Cc1cnc(C(=O)NC(Cc2ccccc2)c2ccccc2)cn1
c Cc1nc2cc(C(F)(F)F)ccc2n1C1CCN(CC(=O)N2CCOCC2)CC1
d CCN(CC)Cc1oc(CO)cc(=O)c1O
Answer: d. CCN(CC)Cc1oc(CO)cc(=O)c1O
{#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)Cc1oc(CO)cc(=O)c1O
CCN(CC)Cc1oc(CO)cc(=O)c1O
2-(diethylaminomethyl)-3-hydroxy-6-(hydroxymethyl)pyran-4-one