Using CC(C)(C)OC(=O)c1cc[nH]c1, O=C1c2ccccc2C(=O)N1CCBr to produce CC(C)(C)OC(=O)c1ccn(CCN2C(=O)c3ccccc3C2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.