Using COC(=O)c1cccc(C(=O)N2CCN(Cc3ccc(F)cc3)CC2)n1 to produce O=C(O)c1cccc(C(=O)N2CCN(Cc3ccc(F)cc3)CC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.