Task: Please create a SMILES based on the text description below.
Description: The molecule is the simplest member of the class of neoflavones that is coumarin substituted by a phenyl group at position 4.
Result: O=c1cc(-c2ccccc2)c2ccccc2o1
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
4-phenylchromen-2-one
The molecule is the simplest member of the class of neoflavones that is coumarin substituted by a phenyl group at position 4.