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(c1ccccc1Oc1ccccc1)N(c1ccccc1)[C@H]1CCNC1
b: c1ccc([C@@H]2Sc3ccccc3O[C@@H]2c2ccc(OCCCN3CCCC3)cc2)cc1
c: OCC[C@]1(c2ccc(Cl)c(Cl)c2)CCCCNC1
d: CCCCN(CC)C/C=C/Cc1ccc(Cl)cc1
Answer: a, 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}
(E)-N-butyl-4-(4-chlorophenyl)-N-ethylbut-2-en-1-amine