Task: Please create a SMILES based on the text description below.
Description: The molecule is an organic anion that is the conjugate base of 4-hydroxycoumarin, obtained by deprotonation of the 4-hydroxy group. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a 4-hydroxycoumarin.
Result: O=c1cc([O-])c2ccccc2o1
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
O=c1cc([O-])c2ccccc2o1
C1=CC=C2C(=C1)C(=CC(=O)O2)[O-]
2-oxochromen-4-olate
The molecule is an organic anion that is the conjugate base of 4-hydroxycoumarin, obtained by deprotonation of the 4-hydroxy group. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a 4-hydroxycoumarin.