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) CCOc1ccc(S(=O)(=O)NCCC(=O)NCC(c2ccc(OC)cc2)N2CCCCC2)cc1
b) O=C(c1ccco1)N1CCN(C(c2ccccc2F)c2nnnn2Cc2cccs2)CC1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}