Using COC(=O)CC(=O)OC, CC1(C)CCN(S(=O)(=O)c2cc(Br)c(Cl)cc2F)c2ccccc21 to produce COC(=O)C(C(=O)OC)c1cc(Cl)c(Br)cc1S(=O)(=O)N1CCC(C)(C)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.