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) COc1ccc(NC(=O)N2CCNC[C@@H]2COc2cccnc2)cc1.Cl
(b) Fc1ccc(C(OCCN2CCCC2)c2nncn2Cc2ccccc2)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}
3-[(4-fluorophenyl)-(2-pyrrolidin-1-ylethoxy)methyl]-4-(phenylmethyl)-1,2,4-triazole