Using CCc1nc(Cl)c2n1CCN(C(=O)OC(C)(C)C)C2CCc1ccc(C(F)(F)F)cc1 to produce CCc1nc(Cl)c2n1CCNC2CCc1ccc(C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.