Task: Answer the MCQ question.
Query: Which compound has a -3.987\% 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.) COc1cccc(NC(=S)NN2C(C)CCCC2C)c1
b.) Cc1ccc2oc3c(c(=O)c2c1)C(c1cccs1)N(CCCN(C)C)C3=O
c.) CN1CCc2c(sc(NC(=O)c3cc(Cl)sc3Cl)c2C(N)=O)C1.Cl
d.) COc1ccc(OC)c(CCNC(=O)CCn2ccc3cc(S(=O)(=O)N4CCCC4)ccc32)c1
Answer: c. CN1CCc2c(sc(NC(=O)c3cc(Cl)sc3Cl)c2C(N)=O)C1.Cl
{#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#}
CN1CCc2c(sc(NC(=O)c3cc(Cl)sc3Cl)c2C(N)=O)C1.Cl
CN1CCc2c(sc(NC(=O)c3cc(Cl)sc3Cl)c2C(N)=O)C1.Cl
2-[(2,5-dichlorothiophene-3-carbonyl)amino]-6-methyl-5,7-dihydro-4H-thieno[2,3-c]pyridine-3-carboxamide;hydrochloride