Using Oc1ccccc1, O=c1onc(-c2nonc2CO)n1-c1ccc(F)c(Cl)c1 to produce O=c1onc(-c2nonc2COc2ccccc2)n1-c1ccc(F)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.