Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. NC(N)=NC[C@@H](N)C(=O)O
b. O=C(NC1CCN(Cc2ccccc2)CC1)c1cc(=O)c2ccc(F)cc2o1
c. CCCc1nc(C)c2c(=O)nc(-c3cc(S(=O)(=O)N4CC[NH+](CC)CC4)ccc3OCC)[nH]n12
d. OCC[NH+]1CC[NH+](CCCN2c3ccccc3Sc3ccc(Cl)cc32)CC1
Answer: 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-[4-[3-(2-chlorophenothiazin-10-yl)propyl]piperazine-1,4-diium-1-yl]ethanol