Using O=c1cc(OS(=O)(=O)C(F)(F)F)c2cc(Cl)ccc2o1, CCOC(=O)N1CCC(N)C(C)(C)C1 to produce CCOC(=O)N1CCC(Nc2cc(=O)oc3ccc(Cl)cc23)C(C)(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.