Task: Answer the multiple choice question.
Question: Which compound exhibits a -4.302\% 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 COc1ccc(C)c2sc(NC(=O)C3=COCCO3)nc12
b O=C(CNC(=O)c1cccs1)NCCN1CCN(Cc2ccccc2)CC1
c CCOC(=O)c1c(C)[nH]c(C(=O)C(C)OC(=O)c2oc3ccccc3c2COC)c1C
d CCOC(=O)NC(=O)CSc1ccc(S(=O)(=O)N(C)C2CCCCC2)cn1
Answer: b. O=C(CNC(=O)c1cccs1)NCCN1CCN(Cc2ccccc2)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=C(CNC(=O)c1cccs1)NCCN1CCN(Cc2ccccc2)CC1
O=C(CNC(=O)c1cccs1)NCCN1CCN(Cc2ccccc2)CC1
N-[2-[2-(4-benzylpiperazin-1-yl)ethylamino]-2-oxoethyl]thiophene-2-carboxamide