Using CCOC(=O)CN1CCN(C(=O)c2cc(F)cnc2Oc2cc(Cl)ccc2Cl)c2ccccc21 to produce O=C(O)CN1CCN(C(=O)c2cc(F)cnc2Oc2cc(Cl)ccc2Cl)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.