Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CN1CCc2cccc3c2[C@H]1Cc1ccc(O)c(O)c1-3.Cl
b. Cc1nccn1CC1CCc2c(c3ccccc3n2C)C1=O
c. Cc1cnc(C(=O)NCCc2ccc(S(=O)([O-])=NC(=O)NC3CCCCC3)cc2)cn1
d. O=C1CN(/N=C/c2ccc(-c3ccc([N+](=O)[O-])cc3)o2)C(=O)N1
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-(cyclohexylcarbamoyl)-4-[2-[(5-methylpyrazin-2-yl)carbonylamino]ethyl]benzenesulfonimidate