Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a C[N@@+]1(CC2CC2)CC[C@]23c4c5ccc(O)c4O[C@H]2C(=O)CC[C@@]3(O)[C@H]1C5
b O=C(O)CCC(O)=C1S(=O)(=O)OCCOS1(=O)=O.[H-].[Na+]
c CC(C)[C@H](N)C(=O)N1CC(c2cc(F)ccc2F)=C[C@@H]1c1cccc(O)c1
d COc1ccc(C(C[NH+](C)C)C2(O)CCCCC2)cc1
Answer: c, d
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-(1-hydroxycyclohexyl)-2-(4-methoxyphenyl)ethyl]-dimethylazanium