Using N=C(N)c1ccc2c(CC(N)=O)c(O)ccc2c1, O=C([O-])O to produce N=C(N)c1ccc2c(CC(=O)O)c(O)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.