Using CN1CCNCC1, CC(C)(C)OC(=O)NCc1cc(C=O)cc(Cl)c1F to produce CN1CCN(Cc2cc(Cl)c(F)c(CNC(=O)OC(C)(C)C)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.