Using C[C@@H]1CNCCN1c1nnc(Cl)c2ccncc12, O=C(O)C1CCC(F)(F)CC1 to produce C[C@@H]1CN(C(=O)C2CCC(F)(F)CC2)CCN1c1nnc(Cl)c2ccncc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.