Using CC(C)(C)OC(=O)N1CCC(N2CCC3(CCCC(N)C3)C2=O)CC1, O=C(O)c1cccc(F)c1 to produce CC(C)(C)OC(=O)N1CCC(N2CCC3(CCCC(NC(=O)c4cccc(F)c4)C3)C2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.