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, b, c, or d without using any additional words.
Options:
a. CN(C)C1CCN(c2nc3ccccc3n2Cc2ccc(F)cc2)CC1
b. Cc1nc2c(C(F)(F)F)cccc2c(=O)n1-c1ccc(OCCCN2CCCC2)cc1
c. CC[C@H](C)[C@H](C(=O)O)N1C[C@H](CN2CCC(c3cc(Cc4ccc(C(C)C)cc4)nn3CC)CC2)[C@@H](c2cccc(F)c2)C1
d. Nc1cncc(Nc2ccc(Oc3ccc(OC(F)(F)F)cc3)cc2)n1
Answer: a, b, c, d
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-(trifluoromethoxy)phenoxy]phenyl]pyrazine-2,6-diamine