Using CC(C)(C)OC(=O)Cn1c(=O)[nH]c2ccccc2c1=O, O=C(CBr)Nc1cc(Cl)nc(Cl)c1 to produce CC(C)(C)OC(=O)Cn1c(=O)c2ccccc2n(CC(=O)Nc2cc(Cl)nc(Cl)c2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.