Using COC(=O)[C@H](O)CN(Cc1ccc(Br)cc1)NC(=O)OC(C)(C)C to produce COC(=O)[C@H](O)CN(N)Cc1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.