Using O=C1CN(C(=O)c2ccc(Cl)cc2)Cc2ccccc2N1, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)CN1C(=O)CN(C(=O)c2ccc(Cl)cc2)Cc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.