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, b, c, or d without using any other words.
Options:
a. Cc1cc(O)ccc1C1(O)CCC(NC(=O)CCc2ccccc2)CC1
b. Nc1cncc(Nc2ccc(Oc3ccc(C(F)(F)F)cc3)cc2)n1
c. CC(C)N1CCC(Oc2ccc(N3CCN(C(=O)c4ccc(C#N)cc4)CC3=O)cc2)CC1
d. Cn1cc(CN2C3CCC2CC(Oc2cccc(C(N)=O)c2)C3)cn1
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}
2-N-[4-[4-(trifluoromethyl)phenoxy]phenyl]pyrazine-2,6-diamine