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) O=C(c1ccccc1)N1CCN(c2ccc(OCCCN3CCCCC3)cc2)C(=O)C1
(b) CCn1cc([C@]2(c3cccc(NC(=O)c4ccc(Cl)cn4)c3)N=C(N)c3c(F)cccc32)cc(C)c1=O
(c) NC1(C(=O)N[C@@H](CCO)c2ccc(Cl)cc2)CCN(c2ncnc3[nH]ccc23)CC1
(d) CCCCCCCN(CC)CCCCc1ccc(N)cc1
Answer: b, 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}
4-[4-[ethyl(heptyl)amino]butyl]aniline