Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C(c1noc(-c2ccccc2)n1)N1CCC(Oc2ccc(CN3CCCC3)cc2)CC1
b: Nc1nc(NC2CCNC2)c2sc(-c3ccc(C(F)(F)F)cc3)cc2n1
Answer: a, 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}
4-N-pyrrolidin-3-yl-6-[4-(trifluoromethyl)phenyl]thieno[3,2-d]pyrimidine-2,4-diamine