Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CN(CCO)CCN1CCCc2cc(NC(=N)c3cccs3)ccc21
b.) Cc1ccc2c(N3CCN(CCc4cccc5c4OCC(=O)N5C)[C@@H](C)C3)cccc2n1
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}
N-[1-[2-[2-hydroxyethyl(methyl)amino]ethyl]-3,4-dihydro-2H-quinolin-6-yl]thiophene-2-carboximidamide