Using COc1cc(-c2c(C#N)c(=N)oc3c2ccc2c3ccn2C)cc(Br)c1OC, O=C([O-])O to produce COc1cc(-c2c(C#N)c(=O)oc3c2ccc2c3ccn2C)cc(Br)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.