Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) COc1cc(F)ccc1/C=C/c1ccc(S(=O)(=O)c2ccccc2F)cn1
(b) Cc1cc(CN(CC2CCCC2)[C@@H](CC(=O)O)c2ccc(Cl)cc2)ccc1OCCN1C(=O)CCC1=O
(c) COc1cc(N2Cc3cn(-c4ccc(Cl)cc4)nc3C2=O)ccc1N1C[C@H](O)[C@@H](O)C1
Answer: a
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-(4-fluoro-2-methoxyphenyl)ethenyl]-5-(2-fluorophenyl)sulfonylpyridine