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: Fc1ccc(-c2[nH]c3cc(F)ccc3c2C2CNCC[C@H]2F)cc1
b: CN1CCC(COCc2cc(C(F)(F)F)ccn2)(c2ccc(F)cc2)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}
2-[[4-(4-fluorophenyl)-1-methylpiperidin-4-yl]methoxymethyl]-4-(trifluoromethyl)pyridine