Using O=C(Cl)c1c(F)cccc1-n1nccn1, CC(C)(C)OC(=O)N1CC2CNCC2C1 to produce CC(C)(C)OC(=O)N1CC2CN(C(=O)c3c(F)cccc3-n3nccn3)CC2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.