Using Nc1cc(F)ccc1C(=O)NC1CCC(=O)NC1=O, COC(OC)OC to produce O=C1CCC(n2cnc3cc(F)ccc3c2=O)C(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.