Problem statement: Answer the MCQ question.
Question: Which drug has a -4.180\% 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 additional words.
Options:
a COc1ccc(CCNCC(O)c2ccccc2)cc1.O=C(O)C(=O)O
b COc1ccc(N2CCN(C(=S)Nc3cccc(C)c3C)CC2)cc1
c CCOC(=O)N1CCN(C(=O)c2ccc(C)c(S(=O)(=O)Nc3ccccc3)c2)CC1
d Cc1cccc(Nc2nnc(SCC(=O)Nc3ccc(C(=O)O)cc3)s2)c1
Answer: a. COc1ccc(CCNCC(O)c2ccccc2)cc1.O=C(O)C(=O)O
{#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#}
2-[2-(4-methoxyphenyl)ethylamino]-1-phenylethanol;oxalic acid