Using Nc1ccn(Cc2cc(Cl)ccc2OCc2ccccc2)n1, O=C(O)c1c(F)cccc1Cl to produce O=C(Nc1ccn(Cc2cc(Cl)ccc2OCc2ccccc2)n1)c1c(F)cccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.