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 other words.
Options:
a O=C(CNc1n[nH]c2ccc(C(F)(F)F)cc12)NC1CN(C2CCC(O)(c3cncs3)CC2)C1
b Nc1ccc(-c2ccsc2)cc1N
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}
4-thiophen-3-ylbenzene-1,2-diamine