Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C1OC2(CCC(c3nc4ccc(OC(F)(F)F)cc4[nH]3)CC2)CN1c1ccccn1
b. N=C(NCCCOc1ccc(F)cc1)Nc1ccc(Cl)cc1
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-(4-chlorophenyl)-3-[3-(4-fluoranylphenoxy)propyl]guanidine