Using CCCc1cc(OCC)c2c(c1OC)S(=O)(=O)N(CSc1nnnn1-c1ccccc1)C2=O, CC(C)(C)OC(=O)CBr to produce CCOc1ccc(OCC(=O)OC(C)(C)C)c2c1C(=O)N(Cc1ccccc1)S2(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.