Using COC(CN(Cc1cc(Br)cc(OC(C)C)c1C)S(=O)(=O)c1ccc(C)cc1)OC to produce Cc1c(OC(C)C)cc(Br)c2ccncc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.