Task: Please answer the multiple choice question.
Question: Which molecules are 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. COC(=O)C1(CNC(=O)c2cc(Cl)cc(Cl)c2)CCN(Cc2ccccc2C(F)(F)F)CC1
b. CCNS(=O)(=O)c1cc(C(=O)N2CCC(CCN3C4CCC3CC(n3c(C)nc5ccccc53)C4)(c3cccc(F)c3)CC2)c(Cl)cc1F
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}
methyl 4-[[(3,5-dichlorobenzoyl)amino]methyl]-1-[[2-(trifluoromethyl)phenyl]methyl]piperidine-4-carboxylate