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. CC(N)C1CCC(C(=O)Nc2ccncc2)CC1
b. Cc1cc(-c2ccc3c(c2)CCN(CCCSc2nnc(-c4cccc(Cl)c4)n2C)CC3)no1
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}
4-(1-aminoethyl)-N-pyridin-4-ylcyclohexane-1-carboxamide