Using O=C(OO)c1cccc(Cl)c1, CSc1ccc(Nc2ncc(Br)c(NC(C)C)n2)cc1 to produce CC(C)Nc1nc(Nc2ccc(S(C)=O)cc2)ncc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.