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 additional words.
Options:
a. COC(=O)C1C(=O)C2=C(CC1C)NC(C)=C(C(=O)OC1CCCC1)C2c1ccc(N(C)C)cc1
b. O=[N+]([O-])c1ccc(COc2cccnc2)cc1
c. CCN(CC)CCNC(=O)C1CCC(=O)N1CCc1ccccc1
d. CCCCOCCCNC(=O)Cc1ccccc1OC
Answer: a, b, c, d
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}