Task: Answer the MCQ question.
Query: Which drug exhibits a 13.138\% 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 additional words.
Options:
a. Cn1cnc2c(N/N=C/c3cccs3)ncnc21
b. Cc1ccc(-n2c(SCC(=O)NCc3ccco3)nc3c([nH]c4ccccc43)c2=O)cc1
c. COc1cc(S(=O)(=O)N(C)Cc2ccc3c(c2)OCCO3)ccc1NC(C)=O
d. Clc1cc(NCc2cccs2)ccc1N1CCOCC1
Answer: d. Clc1cc(NCc2cccs2)ccc1N1CCOCC1
{#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#}
Clc1cc(NCc2cccs2)ccc1N1CCOCC1
Clc1cc(NCc2cccs2)ccc1N1CCOCC1
3-chloro-4-morpholin-4-yl-N-(thiophen-2-ylmethyl)aniline