Task: Answer the multiple-choice question.
Question: Which drug exhibits a 3.266\% 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. O=S(=O)(NCc1ccncc1)c1ccc(Br)s1
b. COc1ccc(S(=O)(=O)N2CCOCC2)cc1NC(=O)CSc1nnc2ccccn12
c. Cc1c(/C(O)=C2/C(=O)C(=O)N(CCN3CCOCC3)C2c2cccs2)cnn1-c1ccccc1
d. Cc1cccc(C(=O)N[C@@H](C)C(=O)N2CCN(c3ncccn3)CC2)c1
Answer: a. O=S(=O)(NCc1ccncc1)c1ccc(Br)s1
{#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=S(=O)(NCc1ccncc1)c1ccc(Br)s1
O=S(=O)(NCc1ccncc1)c1ccc(Br)s1
5-bromo-N-(pyridin-4-ylmethyl)thiophene-2-sulfonamide