Using O=C1OC(=O)c2cc(Br)ccc21, COc1cc(N)ccc1OCCN(C(C)C)C(C)C to produce COc1cc(N2C(=O)c3ccc(Br)cc3C2=O)ccc1OCCN(C(C)C)C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.