Using O=C(Nc1ccc(C=CCN2CCOCC2)c2ccccc12)c1cc(F)cc(N2CCOCC2)c1 to produce O=C(Nc1ccc(CCCN2CCOCC2)c2ccccc12)c1cc(F)cc(N2CCOCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.