Using CCNc1ncnc2cc(OCc3cccc(S(C)(=O)=NC(=O)OCC)c3)c(Br)cc12 to produce CCNc1ncnc2cc(OCc3cccc(S(C)(=N)=O)c3)c(Br)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.