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 or b without using any other words.
Options:
a Cc1cc2c(s1)Nc1ccccc1N=C2N1CCNCC1
b CCN(CC)CCSc1nc(-c2cc(OC)c(Cl)cc2Cl)c2c(C#N)c[nH]c2n1
Answer: b
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}
4-(2,4-dichloro-5-methoxyphenyl)-2-[2-(diethylamino)ethylsulfanyl]-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile