Using O=C(Cl)N1CCCC1, O=C(O)c1cc(O)n(-c2ccccc2F)n1 to produce O=C(O)c1cc(OC(=O)N2CCCC2)n(-c2ccccc2F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.