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) C=S(N)(=O)c1ccc(C2=C(c3ccccc3)C(=O)OC2)cc1
b) O=C1N=C(O)NC1(c1ccccc1)c1ccccc1
c) N#Cc1ccc(Cn2cncc2C[NH2+][C@@H]2CCN(C(=O)c3cncc(Br)c3)C2=O)cc1
d) CCCCN(CC)CC#CC#Cc1ccc(Cl)cc1
Answer: 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}
N-butyl-5-(4-chlorophenyl)-N-ethylpenta-2,4-diyn-1-amine