Task: Answer the multiple choice question.
Question: Which drug has a -44.867\% 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] CCS(=O)(=O)N1CCN(c2cccc(C)c2C)CC1
[b] COc1cc(NC(=O)c2cc([N+](=O)[O-])ccc2NC(=O)CNC2CCCCC2)cc(OC)c1
[c] COc1cccc(CC(=O)Nc2ccc(S(=O)(=O)Nc3nc(C)cc(C)n3)cc2)c1
[d] COc1ccc(NC(=O)CN2CCN(CC#N)CC2)cc1
Answer: d. COc1ccc(NC(=O)CN2CCN(CC#N)CC2)cc1
{#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(NC(=O)CN2CCN(CC#N)CC2)cc1
COc1ccc(NC(=O)CN2CCN(CC#N)CC2)cc1
2-[4-(cyanomethyl)piperazin-1-yl]-N-(4-methoxyphenyl)acetamide