Using COC(=O)C1(N)CCCCC1, CC(C)(C)OC(=O)NC(C)(C=O)c1cc(F)cc(F)c1 to produce COC(=O)C1(NCC(C)(NC(=O)OC(C)(C)C)c2cc(F)cc(F)c2)CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.