Using Clc1cccc(-c2csc(Br)n2)c1Cl, CC(C)(C)OC(=O)N1CCNCC1 to produce CC(C)(C)OC(=O)N1CCN(c2nc(-c3cccc(Cl)c3Cl)cs2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.