Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a Cc1cnc(NC(=O)[C@H](COC2CCC2)Oc2ncnc3c2cnn3-c2ccccc2Cl)cn1
b [2H]C([2H])(O)CN1CCN(c2cnc3cc(C(F)(F)F)cc(NCc4cccc([N+](=O)[O-])c4)c3c2)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}
(2S)-2-[1-(2-chlorophenyl)pyrazolo[3,4-d]pyrimidin-4-yl]oxy-3-cyclobutyloxy-N-(5-methylpyrazin-2-yl)propanamide