Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) C[C@@H]1CCCN1CCN1CCc2cc(-c3ccc(C(=O)N4CCCC4)cc3)ccc2C1=O
b.) O=C(C1CC2(CCN(c3ccccc3)CC2)C1)N1CCN(C2CCC2)CC1
Answer: b
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-cyclobutylpiperazin-1-yl)-(7-phenyl-7-azaspiro[3.5]nonan-2-yl)methanone