Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] N[C@@H](C(=O)O)[C@@H](N)C(=O)O
[b] CCCC[NH+](CCCC)C[C@H](O)c1cc(Cl)cc2c1-c1ccc(Cl)cc1/C2=C\c1ccc(Cl)cc1
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}
(2R,3R)-2,3-diaminobutanedioic acid