Using COC(=O)c1cc(-c2ccnn2C)c(Cl)s1, O=C1CCC(=O)N1Br to produce Cn1ncc(Br)c1-c1cc(C(=O)O)sc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.