Using CC(C)(C)OC(=O)N1CCN2c3ccccc3NC(=O)CC2C1, Clc1ccccc1CBr to produce Clc1ccccc1CN1CCC2CNCCN2c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.