Using Clc1cc(CBr)ccc1Br, CCOC(=O)Cc1n[nH]c(=O)c2ccccc12 to produce CCOC(=O)Cc1nn(Cc2ccc(Br)c(Cl)c2)c(=O)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.