Using CC(C)(C)OC(=O)N1CCc2oc3c(I)cc(Br)cc3c2C1, O=C=O to produce CC(C)(C)OC(=O)N1CCc2oc3c(C(=O)O)cc(Br)cc3c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.