Using Clc1cnnc2cc(CBr)ccc12, CC(C)(C)OC(=O)N1CCNC(=O)C1 to produce O=C1CNCCN1Cc1ccc2c(Cl)cnnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.