Using CC(C)(C)OC(=O)NCC(=O)N1CCC2(C1)CN(C(=O)Nc1ncc(Cl)s1)c1ccc(Br)cc12 to produce NCC(=O)N1CCC2(C1)CN(C(=O)Nc1ncc(Cl)s1)c1ccc(Br)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.