Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. COc1ccc(CN2CCCC(CO)(Cc3ccc(F)cc3)C2)c(OC)c1OC
b. Br.C=CCN1C(c2ccc(OCC)cc2)=CS/C1=C(\C#N)c1nnc2n1CCCCC2
c. CCC(C)(C)C1CCC2(CC1)NC(=O)N(CC(=O)N(C)Cc1ccc(OC(F)F)cc1)C2=O
d. O=C(Nc1ccc(S(=O)(=O)N2CCOCC2)cc1)c1ccc([N+](=O)[O-])cc1Cl
e. COc1ccc(OCC(=O)NNC(=O)c2c(-c3ccccc3Cl)noc2C)cc1
Answer: a
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}