Task: Answer the multiple-choice question.
Query: Which drug exhibits a -1.939\% 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. COc1cccc(/C=N/NC(=O)CSc2ccccc2C)c1O
b. O=C1NC(c2cc3c(cc2Cl)OCO3)Oc2ccccc21
c. Cc1cc(NC(=O)C(=O)NCCN2CCN(C(=O)c3cccs3)CC2)ccc1Br
d. COc1ccc(-n2nc(C(=O)NCC(=O)N3CCC(C)CC3)c3ccccc3c2=O)c(OC)c1
e. Cc1ccc2c(c1)N(C(=O)CCC(=O)NC1CCN(Cc3ccccc3)CC1)CC(C)O2
Answer: b. O=C1NC(c2cc3c(cc2Cl)OCO3)Oc2ccccc21
{#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=C1NC(c2cc3c(cc2Cl)OCO3)Oc2ccccc21
O=C1NC(c2cc3c(cc2Cl)OCO3)Oc2ccccc21
2-(6-chloro-1,3-benzodioxol-5-yl)-2,3-dihydro-1,3-benzoxazin-4-one