Using O=C([O-])[O-], O=C1COc2nc(Br)c(-c3ccccc3)cc2N1 to produce CN1C(=O)COc2nc(Br)c(-c3ccccc3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.