Task: Answer the MCQ question.
Query: Which compound has a -12.625\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] C=CCNC(=O)Nc1ccc(Cl)cn1
[b] CC(=O)c1ccc(S(=O)(=O)NC2CCCCCCC2)cc1
[c] Cc1ccc(NC(=O)c2c(Cl)nc3ccccn23)cc1
[d] COc1cc2[nH]c(C(=O)N3CCc4ccccc4C3)cc2c(OC)c1OC
Answer: a. C=CCNC(=O)Nc1ccc(Cl)cn1
{#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#}
C=CCNC(=O)Nc1ccc(Cl)cn1
C=CCNC(=O)Nc1ccc(Cl)cn1
1-(5-chloropyridin-2-yl)-3-prop-2-enylurea