Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] Cc1ccc(C(N)=O)cc1Nc1nccc(-c2cn(C(C)C)c3cnccc23)n1
[b] CCOC(=O)c1ccc([C@]2(c3cnn(C)c3)N[C@@H](c3nc(-c4ccc(F)cc4)c[nH]3)Cc3c2[nH]c2ccccc32)nc1
[c] COc1cccc2nc(C)n(-c3ccc(OC4CCN(C5CCC5)CC4)cc3)c(=O)c12
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
ethyl6-[(1R,3R)-3-[4-(4-fluorophenyl)-1H-imidazol-2-yl]-1-(1-methylpyrazol-4-yl)-2,3,4,9-tetrahydropyrido[3,4-b]indol-1-yl]pyridine-3-carboxylate