Task: Answer the MCQ question.
Query: Which compound has a 2.628\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cc1nc2ccc(-c3nc4ccc(N)cc4[nH]3)cc2[nH]1
[b] O=C(CCNC(=O)c1ccc(Cl)cc1)Nc1ccccc1N1CCCC1
Answer: b. O=C(CCNC(=O)c1ccc(Cl)cc1)Nc1ccccc1N1CCCC1
{#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(CCNC(=O)c1ccc(Cl)cc1)Nc1ccccc1N1CCCC1
O=C(CCNC(=O)c1ccc(Cl)cc1)Nc1ccccc1N1CCCC1
4-chloro-N-[3-oxo-3-(2-pyrrolidin-1-ylanilino)propyl]benzamide