Using CC(C)(C)OC(=O)OC(=O)OC(C)(C)C, COc1ccc(Br)nc1N1CCNCC(O)C1 to produce COc1ccc(Br)nc1N1CCN(C(=O)OC(C)(C)C)CC(O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.