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: CN1C[C@@H]2C[C@H]1CN2c1ncc(-c2ccc3[nH]c(C(F)(F)F)cc3c2)cn1
b: CCCCN1CCC2(CC1)OC(OC)c1c2cnn1-c1ccccc1
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}
1'-butyl-6-methoxy-1-phenylspiro[6H-furo[3,4-c]pyrazole-4,4'-piperidine]