Task: Answer the multiple choice question.
Query: Which drug has a 1.968\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a O=C(Cn1c(=O)oc2cc(S(=O)(=O)N3CCc4ccccc43)ccc21)N1CCCCC1
b Cc1ccc(S(=O)(=O)NCCNC(C)c2ccc(Br)cc2)cc1
c CCCN(CCC)CCCNC(=O)Cn1cnc2sc(C)c(S(=O)(=O)N3CCOCC3)c2c1=O
Answer: b. Cc1ccc(S(=O)(=O)NCCNC(C)c2ccc(Br)cc2)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#}
Cc1ccc(S(=O)(=O)NCCNC(C)c2ccc(Br)cc2)cc1
Cc1ccc(S(=O)(=O)NCCNC(C)c2ccc(Br)cc2)cc1
N-[2-[1-(4-bromophenyl)ethylamino]ethyl]-4-methylbenzenesulfonamide