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 other words.
Options:
a. CN1CCC(COCc2cc(C#N)cc(C3CC3)n2)(c2ccc(F)cc2)CC1
b. CN(C(=O)Cc1ccc(S(C)(=O)=O)cc1)C1CCN(Cc2ccc(C(F)(F)F)cc2)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}
2-cyclopropyl-6-[[4-(4-fluorophenyl)-1-methylpiperidin-4-yl]methoxymethyl]pyridine-4-carbonitrile