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 additional words.
Options:
(a) COc1ccc2cc(-c3cc(-c4cc(Cl)ccc4Cl)nn3[C@@H](C)c3ccc(C(=O)NCCC(=O)O)cc3)ccc2c1
(b) CCc1ccccc1C(=O)N(CC1CCC1)[C@H]1CCNC1
(c) O=C(Nc1cccc(Cl)c1)Nc1ncc(CCNc2ncnc3ccsc23)s1
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}
3-[[4-[(1S)-1-[3-(2,5-dichlorophenyl)-5-(6-methoxynaphthalen-2-yl)pyrazol-1-yl]ethyl]benzoyl]amino]propanoic acid