Using Cc1nc(C)c(Br)c(Cl)c1Br, CC(C)OC(=O)C(=O)Cl to produce Cc1nc(C)c(C(=O)C(=O)OC(C)C)c(Cl)c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.