Task: Answer the MCQ question.
Question: Which drug has a 6.313\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCCc1cc(=O)oc2c(CN3CCOCC3)c(O)ccc12
b Cc1cccc(NC(=O)CSc2nnc([C@@H](N)Cc3c[nH]c4ccccc34)o2)c1C.Cl
Answer: a. CCCc1cc(=O)oc2c(CN3CCOCC3)c(O)ccc12
{#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#}
CCCc1cc(=O)oc2c(CN3CCOCC3)c(O)ccc12
CCCc1cc(=O)oc2c(CN3CCOCC3)c(O)ccc12
[C][C][C][C][=C][C][=Branch1][C][=O][O][C][=C][Branch1][#Branch2][C][N][C][C][O][C][C][Ring1][=Branch1][C][Branch1][C][O][=C][C][=C][Ring2][Ring1][Ring1][Ring1][=C]
7-hydroxy-8-(morpholin-4-ylmethyl)-4-propylchromen-2-one