Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 18.691\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a.) CCC(=O)Nc1ccc(NC(=O)CSc2nnnn2-c2ccc3c(c2)OCCO3)cc1
b.) COc1ccc(CCNC(=O)C(=O)NCC2OCCN2C(=O)c2ccc(Cl)cc2)cc1
c.) O=c1[nH]c2ccccc2nc1-c1ccc(Cl)cc1
d.) CC(C)CNC(=O)c1cccc(Cn2cc(Cl)cn2)c1
e.) O=C(Cc1ccc(-c2ccccc2)cc1)NCc1cccnc1
Answer: c. O=c1[nH]c2ccccc2nc1-c1ccc(Cl)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#}
O=c1[nH]c2ccccc2nc1-c1ccc(Cl)cc1
O=c1[nH]c2ccccc2nc1-c1ccc(Cl)cc1
3-(4-chlorophenyl)-1H-quinoxalin-2-one