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) Cc1cc(CN2CC(C(=O)C3CCC[C@H]3C#N)[C@@H](N)C2)ccc1C#N
b) CN1C(=O)NC(=O)[C@@]12Cc1ccc(NC(=O)CN3C(=O)C4(CCOCC4)OC3c3cccc(Cl)c3)cc1C2
c) O=S(=O)(c1ccc(/C=C/c2ccc(F)cc2Cl)nc1)c1ccccc1F
Answer: c
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}
2-[(E)-2-(2-chloro-4-fluorophenyl)ethenyl]-5-(2-fluorophenyl)sulfonylpyridine