Using CC(C)(C)OC(=O)NCCCn1c(S(C)(=O)=O)nc2cnc3cc(Br)ccc3c21 to produce CC(C)(C)OC(=O)N1CCCn2c1nc1cnc3cc(Br)ccc3c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.