Using CCOC(=O)CBr, CCOC(=O)Cn1nc(-c2cc(Cl)cc(Cl)c2)nc1-c1ccncc1 to produce CCOC(=O)Cn1nc(-c2ccncc2)nc1-c1cc(Cl)cc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.