Using Cc1ccc(S(=O)(=O)OCCNC(=O)OC(C)(C)C)cc1, Cn1cc(Br)cc(Nc2cccc(O)n2)c1=O to produce Cn1cc(Br)cc(Nc2cccc(OCCNC(=O)OC(C)(C)C)n2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.