Using CCOC(=O)C(C)(C)Oc1cccc(N2CCN(C(=O)c3ccc(Br)cc3)CC2)c1 to produce CC(C)(Oc1cccc(N2CCN(C(=O)c3ccc(Br)cc3)CC2)c1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.