Using CCCCc1nc(=O)c2cc(CCBr)ccc2[nH]1, O=C([O-])[O-] to produce CCCCc1nc(=O)c2cc(CO)ccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.