Using CNCCOC, CC(C)(C)OC(=O)NCc1cc(Br)cc(Cl)c1F to produce COCCN(C)c1cc(Cl)c(F)c(CNC(=O)OC(C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.