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 or b without using any other words.
Options:
a) CC[NH+](CC)CC#CCOC(=O)[C@@](O)(c1ccccc1)C1CCCCC1
b) CCCCC1=NC2(CCCC2)C(=O)N1Cc1ccc(-c2ccccc2-c2nn[n-]n2)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}
4-[(2S)-2-cyclohexyl-2-hydroxy-2-phenylacetyl]oxybut-2-ynyl-diethylazanium